WATER
PUMP
Removal
Remove the coolant from the cooling system.
If a new water pump is being installed, move the water hose connection to the new water pump.
Put the water pump and the gasket on the cylinder block and fasten with the bolts.
Connect the manifold water hose the water pump and tighten the clamp.
Connect the lower hose on the water pump and tighten the clamp.
Install
the sheave and the fan. Install the bolts and tighten to the correct torque specifications.
Install the drive belt over the crankshaft, fan and governor sheave and make adjustment of the belt tension to specifications.
Tighten the governor fasten fastening and adjusting bolt to specifications.
Adjust the governor.
Fill the radiator and
install the radiator cap. Start the engine and check for leaks
CYLINDER FRONT COVER, TIMING CHAIN AND CRANKSHAFT SPROCKETS
Removal
Remove the engine coolant by opening the drain valve on the radiator and removing the drain plug
in
the cylinder block.
Disconnect the radiator hoses from the engine.
Remove the governor belt and remove the water pump sheave.
Remove the water pump.
Remove the crankshaft sheave, using a
puller.
Remove the four bolts that hold the oil pan to the timing chain cover. Remove the six bolts that hold the timing cover to
the cylinder block.
NOTE: Be careful
not
to
cause damage
to
the
oil
pan gasket.
If
the gasket becomes damap'ed
it
will be necessary
to
remove the
oil
pan and replace the gasket. A damaged gasket will cause an
011
leak.
Revised
Oct. 97
-78-27-
741,742,743, 743DS Bobcat Loader
Service Manual
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