TM-5-3805-254-14-P-1
TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)
TECHNICAL MANUAL; OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)
AUGUST 1980
TM-5-3805-254-14-P-1 - Page 26 of 590
MAINTENANCE
should be drained and thoroughly flushed.
This is
particularly important before using anti-freeze.
Unless the water in the cooling system is treated
with a corrosion preventive, rust and scale will eventually
clog up passages in the radiator and water jackets.
This
condition is aggravated in some localities by formation of
insoluble salts from the water used.
IH cleaning solutions are available which have
proven very successful in removing accumulation of rust,
scale, sludge, and grease.
This solution should be used
according to the recommendation on container.
NOTE:
Do not use chemical mixtures to stop
radiator leaks except in an emergency.
Never use
such solutions instead of needed radiator repair.
When draining the cleaning solution, disconnect
the radiator outlet hose, as large particles of sediment
will not pass through the drain.
Also open the drain on
the right side of the crankcase toward the rear of diesel
engines.
Drain plugs are located on the right and left
sides near the front on V-8 engines.
WATER FILTER (SPIN-ON TYPE)
If your vehicle is equipped with a cooling system
water filter, filter should be replaced every 10,000 miles
or as necessary to keep the cooling system free of
contaminants.
Procedure for servicing the spin-on type water filter is as
follows:
1.
Remove water filter assembly by turning
counterclockwise with the hands or a suitable tool.
Clean filter mounting pad.
2.
Coat the gasket on the new filter with a film of
grease or oil.
3.
Place the new filter in position on the center
tube.
Hand tighten 1/2 to 3/4 of a turn after gasket first
contacts base of mounting pad.
Do not overtighten.
4.
Start engine and check for leaks.
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