Maintenance Manual

SECTION 5
M-4 Water Pump
MTT-MX-2
10 Jul 2012
19. Install volute case with wear ring and
tighten 8 mount bolts. Torque Volute case
bolts to 80 ft-lbs (108 nm) in a criss cross
pattern.
20. Lubricate water pump drive motor end
bearing with 2 fl. oz. (60 cc) and the
impeller end bearing with 1 fl. oz. (30 cc)
of grease. Lubricating the shaft rope seal
(Lantern ring) by applying 5 squirts
(injections) of grease.
7. Install hydraulic drive motor and associated
hosing. Tighten all mounting bolts.
8. Operate water pump system while checking
for leaks as well as component operation.
Water Pump Installation
1. Remove old gasket material from mounting
flanges. Replace as required.
2. Locate water pump on inlet flange with the
required gaskets. Tighten inlet flange and
pump mount bolts.
3. Remove old gasket material from water
pipe discharge pipe. Replace as required.
4. Install all components that were removed
when removing water pump. Tighten
hardware.
5. Lubricate water pump drive motor end
bearing with 2 fl. oz. (60 cc) and the
impeller end bearing with 1 fl. oz. (30 cc)
of grease.
Ensure the water pump bearings are greased
with the proper amount of grease prior to
operation. Failure to ensure the water
pump shaft bearing are adequately and
properly lubricated will result in shortened
service life, bearing, shaft and possible
water pump damage or failure.
6. Inspect shaft coupling for damage and
replace if required.
5-19