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OM4041 08/11
Preventive maintenance contributes to the long life
and dependability of the truck and its components.
The use of proper lubricants and the performance of
checks and adjustments at recommended intervals
are crucial.
Lubrication requirements reference the lube key
found in the lubrication chart. For detailed service
requirements for specific components, refer to the
shop manual.
The service intervals presented here are in hours of
operation. Oil change intervals are recommended in
the absence of an oil analysis program which may
determine different intervals. However, if the truck is
being operated in extreme conditions, some or all of
the intervals may need to be performed more fre-
quently.
Refer to the engine service manual when servicing
the engine or any of its components.
HD1500-5 SERVICE CAPACITIES
Crankcase:
(including lube oil filters)
Cooling System:
Hydraulic System:
Refer to Hydraulic Tank Ser-
vice in this chapter
Differential Case
Final Drive Case
(each wheel)
Fuel Tank (Diesel Fuel Only)
Transmission Case:
including torque converter
COOLANT SPECIFICATIONS
• For ambient temperatures of -25° F (-32° C) and
above, use a standard 50/50 anti-freeze-to-water
mixture.
• For arctic climates with ambient temperatures
between -25° F (-32° C) and -65° F (-54° C), use
a 60/40 anti-freeze-to-water mixture.
NOTE: Do not use propylene glycol coolant in arctic
climates. Only use ethylene glycol coolants.
LUBRICATION AND SERVICE
Unacceptable Practices
QUICK FILL SERVICE CENTER
Liters
US
Gallons
The service center (Figure 40-1) is located on the left
side of the truck below the hydraulic tank. The ser-
193
51
vice center can be used to fill system fluids at a
532
140.6
higher rate of speed than manually adding fluids and
grease.
900
238
Connect a filling device to the appropriate fitting on
the service center to add fluids/grease. Use caution
when adding fluids to avoid overfilling.
300
79
120
31.7
2120
560
153
40.5
Lubrication and Service - Section 40
• Use of high-silicate anti-freeze.
• Under concentration or over concentration of
Extended Service Additive (SCA).
• Use of anti-freezes/coolants that are not fully
formulated for extended service intervals.
• Use of sealing additives (stop-leak) in the cooling
system.
• Use of soluble oils in the cooling system.
• Use of poor-quality water. See the engine
manufacturer's specifications for water quality
requirements.
• Use of anti-freeze, Extended Service Additive
(SCA) or coolant filter(s) that do not meet the
engine manufacturer's specifications.
• Use of Treated Water coolant.
• Use of coolants with less than 40 percent
antifreeze.
FIGURE 40-1. SERVICE CENTER
Page 40-1
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