2016 Pierce Maintenance Flashcards
(237 cards)
1
Q
Tires that are hotter through use may have psi higher rating of how many psi?
A
15 psi higher
2
Q
What types of tires (rating) are the 2016s equipped with?
A
Fire-service rated tires
3
Q
Are fire apparatus axle loads often higher than typical vocational trucks?
A
Yes
4
Q
What does it mean for tires to have a “fire service” intermittent duty rating?
A
Allows to carry greater loads or attain high speeds
High loads and speeds will not be sustained for long periods of time
5
Q
What is a tired worst enemy?
A
Heat
6
Q
Heat build up in a tire happens because of what?
A
Fast driving
Carries more load
7
Q
How is heat generated in a tire?
A
Flexing of rubber inside of carcass of tire, overtime degrades rubber
8
Q
To avoid tire degradation, fire-service tires have limits on amount of time they can be driven at high speeds and high load before they must?
A
Cool down
9
Q
For intermittent fire service rating, extra load and extra speed mean what?
A
Allowed to carry extra load higher than standard rating
Allowed to attain higher speeds than the standard maximum speed rating
10
Q
A fire service rated tire can carry extra loads or attain higher speeds but not always?
A
Both at the same time
11
Q
How can you determine if your tires are being operated under a fire service rating?
A
Checking max load rating on sidewalk of tire
12
Q
How can you find the gross axle weight (GAWR) rating on the 2016?
A
Yellow final vehicle manufacturer label
13
Q
How can you figure out if your tires are operating in a fire-service condition?
A
Divide each GAWR by number of tires on axle, if GAWR is greater than sidewall rating of tire, they’re fire service rated tires
14
Q
According to Michelin fire service rating rules, after driving for 1 hour above standard max rated speeds or loads over max sidewalk rating, park the apparatus for how many hours to allow tire carcass to cool?
A
1 hour
15
Q
The maximum tire pressure may be limited by the tire capacity on sidewall or by?
A
Wheel capacity
16
Q
Along with heat being a tires worst enemy, is under inflation a tires worst enemy?
A
Yes
17
Q
What is not a satisfactory method to use when checking tire pressure?
A
“Thumping” with a tire bar
18
Q
The practice of reducing inflation pressure to attain a softer tire is what especially when steer axle tires are involved?
A
Extremely hazardous
19
Q
Under inflation of a tire causes excessive what within the tire resulting in heat buildup which can cause a blow out?
A
Flexing
20
Q
An under inflated tire at high speeds on the highway and under heavy load can cause what?
A
Severe handling problems
21
Q
What can under inflation result in of a tire?
A
General deterioration of tire body
Separation of tread
Fatigue breaks in body cords
22
Q
If one tire on a dual assembly is severely under inflated can the other one be prone to failure from overloading?
A
Yes
23
Q
What does over inflation of a tires ability do?
A
Detracts ability to endure road shocks
24
Q
Overinflated fires often exhibit what?
A
Groove cracking
Rapid center tread wear
Cut or punctures
25
Excessive pressure buildup resulting from overloading or high speeds can cause what to the rim?
Failure
26
Can the load carrying capacity of a tire be increased over the maximum rated load by increasing tire inflation pressure?
No
27
When should you check for proper tire pressure?
When fire is cold, never deflate a hot tire with increased pressure
28
For duals, do not mount tired together that vary by more than how many inches in diameter and circumference?
1/4” in diameter
| 3/4” in circumference
29
Do not place the 4 largest tires on one axle as this may cause what?
High axle oil temps and reduced axle life
30
What is essential to proper handling and braking performance?
Sufficient tread depth
31
Tire tread life is dependent on what factors?
```
Tire load
Proper inflation pressure
Tire footprint
Frequency of dry steer maneuvers
Tandem scrub (tandem suspension)
Engine horsepower
Brake power
Frequency of right cornering maneuvers
Driving habits (accelerating and braking)
Suspension alignment
```
32
Aerial apparatus tandem suspension may be loaded from what pound range?
44,000 - 58,000 or higher
33
What are the 3 detrimental influences on tire life?
Accelerating
Braking
Cornering
34
If irregular tire wear is found on the front axle tires, they should be moved to what axle if same size and tread pattern, or replaced?
Rear axle
35
Wheel and tire assemblies should be balanced to avoid?
Vibration
| Shimmy during road operation
36
Pierce balances all tires and wheels by adding what to the tire/wheel during assembly?
Counteract balancing beads
37
What is the purpose of the counteract balancing beads?
Automatically balance as tires rotate
38
Besides the tire and wheel, what else do the counteract balancing beads balance?
Hun and brake assembly of the axle
39
Will the beads also adjust if tires become out of balance due to mud in the tire tread or stuck to the wheel?
Yes
40
Before installing the tire sensor valve cap to calibrate and ensure proper operations what must be done to the tires?
Inflated to correct pressure
41
For the emissions related tire warranty, the tires must conform to the control of emissions from new heavy duty motor vehicles for how many years or miles?
2 years or 24,000 miles
42
Wheel nuts must be checked for proper torque after the first how many miles of service, then frequently as part of a periodic maintenance?
First 50-100 miles
43
Proper installation of rims and wheels on a vehicle is essential to?
Safe economical trouble free service
44
You should clean hub surfaces with what of scale is present?
Wire brush
45
What are the wheel nut torque specs for a 10 hole, 285.75’mm/11.5” hub piloted with and without merit or disc brakes?
Without meritor - 450-500 ft-lbs
| With meritor - 390-450 ft-lbs
46
How do you properly check torque on a fastener?
Break fastener loose and then retighten to appropriate torque
47
You should maintain the nut torque at the recommended level through planned period check or at what mile intervals, whichever comes first?
10,000 miles
48
If air wrenches are used to tighten wheels, they must be periodically?
Calibrated for proper torque output
49
Wheels and rims are manufactured with capacity ratings based on maximum?
Tire pressure
| Load
50
You should inspect wheel during when?
Pre trip
| Periodic maintenance intervals depending upon road and environmental conditions of operations
51
You should check all metal surfaces thoroughly while making tire inspections, including areas between duals and on onboard side of wheel for?
Excessive rust or corrosion
Cracks in metal
Bent flanges
Deep rim tool marks on rings or in gutter areas
Loose, missing, damaged nuts or clamps
Bent or stripped studs
Severe marring or gouging under fasteners
Damaged or missing rim valve locator plates
Incorrectly matched rim parts
52
If nuts require frequent tightening, studs break frequently, or wheel bolt holes become damaged, you should review hardware and mounting practices for what?
Determine cause
53
Increased inspection and maintenance are required for heavy use and extreme conditions such as?
Heat
Cold
Sand
Salt
54
The aerial operator must be aware of the condition of the aerial equipment?
Before operating
55
A pre-operational visual safety inspection should?
Always be performed
56
What are 3 reasons why the PTO will not engage?
Aerial master not energized
Transmission not in neutral
Parking brake disengaged
57
What are 4 reasons why stabilizer circuit will not operate?
Hydraulic power switch is in aerial function
Locked in aerial mode
Aerial is out of boom support
PTO is not engaged
58
What are 4 reasons why aerial control are inoperative?
PTO is not engaged
Aerial dead man foot switch is not depressed
Hydraulic power switch is in stabilizer function
Stabilizer is not set
59
What are the 4 parts to the hydraulic system?
Reservoir
PTO driven variable displacement piston pump
2 electric over hydraulic closed center valves
EPU
60
What do the 2 electric over hydraulic closed center valves control in the hydraulic system?
1 valve controls beam extension and jack support cylinders
1 valve controls ladder lift cylinders, extension cylinders and rotation drive unit
61
What kind of hydraulic fluid does the 2016 take?
Mobil DTE 10 excel
62
For the hydraulic oil Mobil DTE 10 Excel, if the ISO grade is 100 what is the minimum start up temp and operating range?
44 degrees, 81-201 degrees
63
For the hydraulic oil Mobil DTE 10 Excel, if the ISO grade is 68 what is the minimum start up temp and operating range?
27 degrees, 65-184 degrees
64
For the hydraulic oil Mobil DTE 10 Excel, if the ISO grade is 46 what is the minimum start up temp and operating range?
14 degrees, 49-167 degrees
65
For the hydraulic oil Mobil DTE 10 Excel, if the ISO grade is 32 what is the minimum start up temp and operating range?
3 degrees, 37-148 degrees
66
For the hydraulic oil Mobil DTE 10 Excel, if the ISO grade is 22 what is the minimum start up temp and operating range?
-8 degrees, 23-127 degrees
67
For the hydraulic oil Mobil DTE 10 Excel, if the ISO grade is 15 what is the minimum start up temp and operating range?
-24 degrees, 7-107 degrees
68
Mobil oil is the oil provided for the 2016 pierce, it can be substituted with oils that have?
Multi grade viscosity
Low temp flow properties
High anti wear protection
69
The 2016 pierce aerial was shipped with a hydraulic cleanliness level of?
18/15/13, per latest ISO standard 4406
70
Are dry cleaning solvents toxic and flammable?
Yes
71
When using dry cleaning solvents you should wear what and use only in well ventilated area?
Protective goggles
Face shield
Gloves
72
What are the flash points for type 2 and type 3 dry cleaning solvents and never smoke when using solvents?
Type 2-140 degrees
| Type 3-200 degrees
73
You should use dry cleaning solvents on what type of surfaces?
Metal
74
You should use soapy water on what material?
Rubber
75
When checking condition of bolts, nuts, screws for looseness, bends or brakes; if they cannot be checked with a tool look for?
Chipped paint
Bare metal
Rust around bolt heads
76
When inspecting welds look for what? If a cracked weld is found who gets notified?
Inspect for loose or chipped paint
Inspect for rust or gaps
Notify supervisor
77
What do you inspect for on electrical wires and connectors?
Cracked or broken insulation
Exposed wires
Loose or broken connectors
78
What is the definition of damage on the truck?
Affects safety or would make truck unserviceable for mission requirements
79
Should you clean fittings with dry cleaning solvent before lubricating?
Yes
80
Warnings and caution appear in the logbook before?
Applicable procedures
81
Warnings are meant to?
Prevent serious injury to yourself
82
Cautions are meant to prevent?
Equipment from being damaged
83
How often should air systems be drained and purge pressure test?
Drain weekly
| Test purge pressure weekly
84
How often should you inspect the tubes for tightness and engine air inlet for dirt and debris on air intake system?
Tubes and clamps daily
| Engine air inlet weekly
85
How often should the AC sight glass be inspected?
Every 6 months
86
How often should the front axle be inspected for wear, damage and looseness?
Weekly
87
How often should battery posts be cleaned and greased after cleaning?
Weekly and every 3,000 miles
88
How often should mirror fasteners, seatbelts and wipe blades be inspected for cleanliness, tightness, and signs of damage and wear?
Weekly
89
How often should door hinges, latched and strikers be inspected, adjusted and lubricated as necessary?
Every 6 months
90
How often should the throttle pedal be inspected for operation and return ability?
Daily
91
How often should the brake pad thickness and brake parts for integrity be inspected?
Weekly
92
How often do you inspect the drive shaft for signs of damage?
Weekly
93
How often should the electrical connectors and harnesses be inspected?
Weekly
94
How often should you inspect drive belts for damage and tension?
Weekly
95
How often should you check engine for signs of oil and coolant leaks?
Daily
96
How often should you check radiator for debris?
Monthly and every 3,000 miles
97
How often should the thermostats be tested and replace if defective?
Check yearly
| Install new ones if necessary
98
How often should external transmission coolers be replaced?
3-5 years
99
How often do you inspect the engine exhaust for leaks and clamp tightness?
Daily
100
How often do you inspect the fuel system for damage, leaks and chafing?
Weekly
101
How often do you inspect the frame fasteners for looseness, wear and corrosion?
Weekly
102
How often do you inspect all steering components for integrity?
Weekly
103
How often should spring u bolt torque and tightness be initially inspected?
At 500 miles
104
How often should you check the spring u bolt torque and tightness be inspected after initial inspection?
Annually and every 24,000 miles
105
How often should you inspect hangers and shackles for wear, corrosion or damage?
Weekly
106
How often should you inspect springs for signs of wear, bending, or cracking?
Weekly
107
How often should you inspect rear suspension?
See vendor info
108
How often should you inspect the tires for proper pressure?
Daily
109
How often should you inspect the tread depth and check for damage on tires?
Weekly
110
How often should you check wheel nut torque tightness?
Monthly and every 3,000 miles
111
How often should you inspect front tire toe alignment?
Every 6 months
112
How often should the air intake cleaner restriction indicator be inspected?
Daily
113
How often should you replace the air filter?
Annually or as required
114
How often should the air dryer be replaced?
Every 2-3 years
115
How often should the kingpin and tie rod ball joints be lubricated?
Annually and every 100,00 miles
116
What type of grease do the kingpins and tie rod ball joints take on the 2016 pierce?
Lithium NLGI grade EP2 grease
117
How often should you check the oil level on the rear axle?
Monthly and every 10,000 miles
118
How often do you replace the oil and filter for the rear axle?
See vendor for info
119
How often do you lubricate the door window regulators, door latches, seat adjuster slides with EP2 grease and spray silicone on door hinges?
Every 6 months
120
How often do you disc brake calipers and slack adjusters with clay-based NLGI grade 1 or 2 grease?
Every 6 months
121
How often do you check the fluid level for the cab tilt?
Weekly
122
How often do you lubricate the pivot pins and remote control receptacle?
Monthly and every 3,000 miles
123
What type of grease for the cab tilt pivot pins?
Lithium NLGI EP2
124
What kind of lubricant for the remote control receptacle for the cab tilt?
Trucklite 97944 or equivalent
125
What do you indicate the door latches with?
Lubriplate 105 or equivalent
126
How often do you lubricate the drive shaft slip and u joints with EP2 grease?
Monthly and every 3,000 miles
127
How often do you inspect the coolant system for leaks and proper level?
Daily
128
How often do you replace the coolant and coolant filter?
Annually
129
How often do you inspect the oil and filter for leaks and proper level?
Daily
130
What oil do you replace the engine oil with?
15w-40 CJ-4
131
How often do you lubricate the fifth wheel bearing connecting tractor trailer?
Every 6 months and 3,000 miles
132
How often do you drain the fuel/water separator?
Weekly
133
What type of filter do you use for the fuel/water separator?
See vendor info
134
How often do you check the oil level in the power steering?
Weekly with TES-389 oil
135
How often do you replace the filter and fluid in the power steering reservoir with TES-389 fluid?
Annually
136
How often do you lubricate the steering intermediate links with EP2 grease?
Monthly and every 3,000 miles
137
How often do you lubricate the steering gear with EP2 grease?
Every 6 months
138
How often do you lubricator the drag link ball joints with EP2 grease?
Annually and every 100,000 miles
139
How often do you lubricate the spring pins on suspension with EP2 grease?
Monthly and every 3,000 miles
140
How often do you inspect the transmission for leaks and proper level?
Daily
141
How often do you have transmission fluid tested for water and glycol contamination for trucks in severe duty applications or transmission retarders?
Every 6 months and every 12,000 miles or 500 engine hours
142
What type of fluid and filters do you replace the transmission with?
TES 389 ATF Allison Approved
143
How often do you check the level in the front axle bearing?
Monthly and every 3,000 miles
144
How often do you replace the fluid in the front axle?
See vendor info
145
How often do you replace the DEF filter?
1,000 hours, see vendor info
146
How often do you clean the DEF filler filter?
500 hours, see vendor info
147
How often do you clean DEF ventilator filter?
1,000 hours, see vendor info
148
What type of lube for the aerial ladder?
Pierce #1003040, 1003044, 1003046
| Synco super lube #41150, 41050, 41030
149
What type lubricant for the fifth wheel bearing, monitor, axle lock out cylinders, turntable rotation bearing, rotation gear, stabilizer pad swivel joints, stabilizer beams?
Pierce PN#95-0903
| Exxon NLG1 no. 2 grade grease with moly or equivalent heavy duty grease with moly
150
What type of oil do you use for the swing drive?
API-GL5 80W90
151
What do you lubricate the wire rope cables with?
Lubriplate chain and cable fluid or equivalent
152
How do you fill the swing drive with 80w-90 oil?
If necessary rotate aerial until planetary sun gears are clear of the fill hole and a measuring device can be inserted between the planetary gears
153
When the swing drive is properly filled, the oil level should be within how many inches below top of the fill hole?
1.25-1.50 inches
154
The rotation gear box oil capacity is?
5 pints (2.4 liters)
155
How often do we lube the 5th wheel?
Every 3,000 miles or 6 months
156
Where are the 2 grease fittings located for the 5th wheel?
Directly above 5th wheel bearing, upper weldment
Spaced 180 degrees apart
157
How do you lube the 5th wheel, what degrees?
Jackknife tractor/trailer 90 degrees to 1 side
Put transmission in neutral and apply parking brake
158
How many pumps of grease do you dispense when truck is at 90 degree jackknife?
2 pumps of grease into each fitting
159
When applying grease to the 5th wheel bearing, you should reposition the apparatus to what degree and dispense 2 more pumps?
Reposition 20 degrees (70 degrees from straight)
160
When lining the 5th wheel, after repositioning 20 degrees from jackknife, you should repeat this procedure every 20 degrees for a total of how many grease positions until apparatus is opposite jackknife position?
10 grease positions
161
For the aerial inspection, heavy use and environmental conditions such as what will demand increased inspection and maintenance?
Heat
Cold
Sand
Salt
162
When should the primary inspection of the aerial ladder take place?
Before placing into service and with each inspection there after
163
For the every 25 hour/quarterly inspection (whichever comes first) of the aerial, you should perform what inspection?
Primary inspection
164
For the every 50 hour/annual inspection (whichever comes first) of the aerial, you should perform what inspection?
Primary inspection
25 hour/quarterly inspection
50 hour/annual inspection
165
For the every 400 hour/annual inspection (whichever comes first) of the aerial, you should perform what inspection?
Primary inspection
25 hour/quarterly inspection
50 hour/annual inspection
400 hour/annual inspection
166
What inspection cycle does the aerial function check and aerial indicators fall under?
Primary
167
What do you check on the aerial function and aerial indicators?
Check aerial from turntable to tip
Check all indicators (gauge, ring alignment light, ring alignment switch at front of base, angle indicator at base, and all switches and indicators lights on console)
168
What inspection cycle do the electrical lines and hoses fall under to check for exposed areas for any chaffing and wear?
Primary
169
What inspection cycle does your EPU fall under for operation of stabilizers and aerial functions?
Primary
170
What inspection cycle does your hydraulic pressure lines fall under for leakage and any signs of hose chafing?
Primary
171
What inspection cycle does your intercom system fall under for proper operation?
Primary
172
What inspection cycle does your interlocks and indicators fall under for checking pressure increase on the lower control function of aerial, indicator lights for stabilizers, and switches operating lights are functional, properly mounted, and secure?
Primary
173
What inspection cycle does lubricating the complete aerial unit fall under?
Primary
174
What inspection cycle do the manual overrides fall under to check for operation?
Primary
175
What inspection cycle does the PTO operation fall under to check it operates properly, indicator light functional, no excessive gear mesh noise, and for disengagement when shifting into drive or reverse?
Primary
176
What inspection cycle do the rung covers fall under to check that they’re secure and don’t turn?
Primary
177
What inspection cycle do the safety decal fall under to make sure they’re in place?
Primary
178
What inspection cycle do the sheaves and carrier assembly fall under to check for damage, travel properly through guide brackets while aerial extends and retracts?
Primary
179
What inspection cycle do the stabilizer pads, stabilizer work and flashing lights, stabilizer jack safety pins, and wire rope cable fall under?
Primary
180
What inspection cycle does the electro hydraulic swivel fall under and checking for desiccated plug indicator is link if so replace plug?
25 hour/quarterly
181
What inspection cycle do the rotation bearing seals fall under and check for missing, damaged, or deteriorated seals which require replacement as needed?
25 hour/quarterly
182
What inspection cycle does the aerial cradle fall under and check for secure mount, defective welds or structural cracks?
50 hour/annual
183
What inspection cycle does the aerial function time checks fall under to check the timing of the serial at 75 degrees elevation, extension, retraction, rotation 360 degrees left and right?
50 hour/annual
184
What inspection cycle does the aerial hydraulic system main relief pressure fall under and check and record pressure at high idle?
50 hour/annual
185
What inspection cycle does the base section pivot pins and lift cylinder pins fall under and check for security or cracking?
50 hour/annual
186
What inspection cycle does the base side and bottom pads fall under and check for proper adjustment, side thrust pads make contact, minimum clearance of bottom pad to base section being 1/8”?
50 hour/annual
187
What inspection cycle does the electrical cables fall under and adjust if necessary?
50 hour/annual
188
What inspection cycle does the electro hydraulic swivel fall under and check for mounting security, leaks and electrical wires for wear?
50 hour/annual
189
What inspection cycle does the elevation cylinder/extension drift test fall under and fully extend aerial to 60 degrees?
50 hour/annual
190
When inspecting the elevation cylinder/extension cylinder drift test, turn truck off and toggle the manual control valve handle to remove pressure and wait for how many minutes?
10 minutes
191
For the elevation cylinder/extension cylinder drift test, measure from rod gland to a mark on the piston rod, you should allow the aerial to remain at elevation for a period of how long before remeasuring?
1 hour
192
What inspection cycle do the extension cylinders fall under and check for proper mounting, pins and retaining bolts secured, leakage, and condition of hoses?
50 hour/annual
193
What inspection cycle does the 5th wheel lock out fall under and while rotating the aerial monitor movement of 5th wheel lock out cylinders?
50 hour/annual
194
For the fifth wheel lock out inspection, if the rod movement is greater than how many inches during compression (side to side movement), bleeding procedure must be performed?
1/4”
195
What inspection cycle does the exterior paint finish of the aerial fall under and adding touch up paint to damaged paint or corrosion?
50 hour/annual
196
What inspection cycle does the hydraulic pump and PTO installation fall under and check the PTO mounting to transmission, pump mounting, all hoses and mounting flanges for leaks?
50 hour/annual
197
What inspection cycle for the lift cylinders fall under and check for proper mounting, leakage, pins at turntable and on base section, all hoses?
50 hour/annual
198
What inspection cycle do the rotation bearing bolts fall under?
50 hour/annual
199
What inspection cycle does the rotation gear box oil (swing drive)?
50 hours/annual
200
When does the gear box ONLY have to be changed?
First 50 hours of operation or the first year (whichever comes first)
201
For the rotation gear box, if bottom drain plug not accessible, which other plug may be used?
Side drain plug
202
What inspection cycle do the stabilizer extensions cylinder fall under and check for tightness and clearance between guide pads?
50 hour/annual
203
What inspection cycle do the stabilizer beams fall under and check for scoring?
50 hour/annual
204
What inspection cycle does the wire rope cable fall under for adjustment/replacement?
50 hour/annual
205
What inspection cycle does the aerial beam support fall under an retorque the boom support mounting bolts?
400 hour/annual
206
What inspection cycle do the aerial torque box bolts fall under and retorque the aerial torque box mounting bolts?
400 hour/annual
207
What inspection cycle do the electro hydraulic swivel bolts fall under for retorquing the mounting bolts?
400 hour/annual
208
What inspection cycle do the 5th wheel assembly bolts fall under for retorque?
400 hour/annual
209
What inspection cycle do the hydraulic filters fall under and replace return and pressure filters?
400 hour/annual
210
What is the major factor in hydraulic system failures?
Dirt
211
What inspection cycle does the hydraulic oil fall under and taking samples following 30 minutes of operation and having it analyzed by a local company?
400 hour/annual
212
What inspection cycle does the pinion gear backlash fall under for adjustment?
400 hour/annual
213
What inspection cycle do the rotating bearing bolts fall under for retorque?
400 hours/annual
214
What inspection cycle do the rotation gear box bolts fall under for retorque on turntable, pedestal to planetary gear drive bolts?
400 hour/annual
215
What inspection cycle does the rotation gear box oil level and checking that oil level is between 1.25-1.50 inches below top of fill hole?
400 hour/annual
216
Where is the Onan oil fill located?
Behind driver’s side compartment
217
Where is the Onan oil drain located?
Behind generator engine
218
Where is the Onan oil fill located?
Right hand rear access door
219
Where is the Onan oil dipstick located?
Behind right hand rear access door
220
Where is the Onan oil filter located?
Behind driver’s side compartment
221
Where is the Onan fuel filter located?
Behind driver’s side compartment
222
Where is the Onan oil drain tube?
Located underneath chassis
223
Where is the Onan coolant overflow reservoir located?
Under rear access gate
224
Where is the Onan radiator drain located?
Inside driver’s side compartment on radiator
225
You should inspect the Onan for oil, fuel, coolant and exhaust systems leaks along with the correct levels when?
Daily
Every 8 hours if ran continuously
Leaks also=at start up
226
You should inspect for a clean spark arrestor for the Onan how often?
Every 50 hours
227
You should inspect the Onan air cleaner dust boot when?
Every 50 hours
| More often in dusty conditions
228
You should inspect the Onan battery when?
Every 100 hours
Monthly
Clean posts monthly/3,000 miles
229
You should inspect the Onan V-belt tension and slippage how often?
Every 100 hours
| Monthly
230
You should drain the water in fuel, about one cup to remove water and sediment on the Onan how often?
Every 100 hours
| Monthly
231
You should change the oil and filter on the Onan how often?
After first 50 hours
Every 100 hours
Monthly
232
You should change the fuel filter on the Onan how often?
Every 250 hours
| 6 months
233
You should change the air element filter on the Onan how often?
Every 500 hours
Annually
More often in dusty conditions
234
You should change the coolant in the Onan how often?
Every 500 hours
| Annually
235
You should adjust the valve lash on the Onan how often and who performs it?
Every 500 hours
Annually
Authorized Cummins Onan dealer
236
You should replace the pressure cap on the Onan how often?
Every 2 years
237
You should replace the generator bearings on the Onan how often and who performs it?
Every 5 years
| Authorized Cummins Onan dealer
