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TRUCK SERVICE MANUAL
TM 5-4210-230-14&P-1
LUBRICATION
LUBRICATION INSTRUCTIONS
FOR LUBRICATION INTERVALS REFER TO OPERATORS MANUAL
New vehicles are lubricated before they are
delivered. After the vehicle is placed in operation,
regular lubrication intervals, based on the type of
service and road conditions, should be established.
Thorough lubrication at definite intervals will add greatly
to the service life of the vehicle and will reduce the
overall operating expense.
The interval between lubrication periods, oil
changes,
etc.,
depends
entirely
upon
operating
conditions. The loads carried, speed, road and weather
conditions all contribute to the frequency of lubrication
periods. In some types of operation, and where
operating conditions are extremely severe, the vehicle
may require lubrication after every twenty-four (24)
hours of operation.
In some operations, such as in deep water, mud, or
unusually dusty conditions, the interval of inspection and
lubrication should be more frequent than twenty-four
(24) hours.
Only lubricants of the best quality, having
proper body or viscosity, and supplied by reputable
manufacturers, should be used. The use of inferior or
non-compatible products might reduce the service life of
the vehicle or result in failure of its components.
The International Harvester Company Truck
Division does not attempt to specify any particular
manufacturer's product. High-grade lubricants can be
obtained from any reputable oil company.
The lubrication specifications refer only to the
viscosity (SAE) and type to be applied. The viscosity
numbers have been adopted by the Society of
Automotive Engineers to classify lubricants according to
"body" or "thickness" and do not cover any other
properties.
IMPORTANT
When adding lubricant, it should be the
same weight and viscosity which is
already being used.
Definitions of symbols used in designation of type lubricants recommended in LUBRICATION INSTRUCTIONS.
Symbol
Type Lubricant
A
Light Weight Engine Oil
B
Cam and Ball Bearing Lubricant
C
IH 251 HEP Grease or equivalent NLGI #2 Multi-Purpose Grease
D
Stick Lubricant
E
SAE 85W-140 gear lubricant or SP type lubricant, SAE-90 viscosity year around, meeting MIL-L-
2105B specification (SP must not contain zinc). For abnormally high temperature severe service
(hot climate off highway operation where vehicle is in low speed heavy hauling for prolonged
periods), use SAE-140. For traclok rear axles, add 20CC (2/3 ounce) of IH-LS additive for each
.47 liter (pint) of SP lubricant, at every 10,000 miles 16,000 kilometers of operation.
F
SPICER
Engine Oil (SE, CC, DD).
SAE-30Below -18 deg. C (O deg. F)
SAE-30, Above -18 deg. C (O deg. F)
40, 50
CTS-2412S Page 1
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PRINTED IN UNITED STATES OF AMERICA
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