Water Pump - Inspect - Perkins 1106A-70T Operation And Maintenance Manual

86
Maintenance Recommendations

Water Pump - Inspect

NOTICE
Accumulated grease and/or oil on an engine is a fire
hazard. Remove the accumulated grease and oil. Re-
fer to this Operation and Maintenance Manual, "En-
gine - Clean" for more information.
• Ensure that the cooling system hoses are correctly
clamped and that the cooling system hoses are
tight. Check for leaks. Check the condition of all
pipes.
• Inspect the water pump for coolant leaks.
Note: The water pump seal is lubricated by the
coolant in the cooling system. It is normal for a small
amount of leakage to occur as the engine cools down
and the parts contract.
Excessive coolant leakage may indicate the need to
replace the water pump seal. For the removal of the
water pump and the installation of water pump and/or
seal, refer to the Disassembly and Assembly Manual,
"Water Pump - Remove and Install" for more
information or consult your Perkins dealer or your
Perkins distributor.
• Inspect the lubrication system for leaks at the front
crankshaft seal, the rear crankshaft seal, the oil
pan, the oil filters and the rocker cover.
• Inspect the fuel system for leaks. Look for loose
fuel line clamps and/or tie-wraps.
• Inspect the piping for the air intake system and the
elbows for cracks and for loose clamps. Ensure
that hoses and tubes are not contacting other
hoses, tubes, wiring harnesses, etc.
• Inspect the alternator belts and any accessory
drive belts for cracks, breaks or other damage.
Belts for multiple groove pulleys must be replaced as
matched sets. If only one belt is replaced, the belt will
carry more load than the belts that are not replaced.
The older belts are stretched. The additional load on
the new belt could cause the belt to break.
• Drain the water and the sediment from the fuel
tank on a daily basis in order to ensure that only
clean fuel enters the fuel system.
• Inspect the wiring and the wiring harnesses for
loose connections and for worn wires or frayed
wires.
• Inspect the ground strap for a good connection
and for good condition.
• Disconnect any battery chargers that are not
protected against the current drain of the starting
motor. Check the condition and the electrolyte
level of the batteries, unless the engine is
equipped with a maintenance free battery.
• Check the condition of the gauges. Replace any
gauges that are cracked. Replace any gauge that
can not be calibrated.
Water Pump - Inspect
A failed water pump may cause severe engine
overheating problems that could result in the following
conditions:
• Cracks in the cylinder head
• A piston seizure
• Other potential damage to the engine
Illustration 54
(1) Weep hole
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