TM 5-1730-245-14
5.13 WATER PUMP- REPLACE.
THIS TASK CONSISTS OF: a. Removal
b. Installation
INITIAL SETUP
Equipment Condition:
Tools:
Side and front panels(5,8, fig. 1-2) removed
Toolkit, General Mechanics (item 5, Section III, Appendix B).
Battery disconnected. Refer to paragraph 4 19.
Shop Equipment, Automotive Maintenance and Repair'
Engine radiator removed. Refer to paragraph 5.11.
Organizational Maintenance, Common No. 1, less
Fan belt removed. Refer to paragraph 4.21
power (item 6, Section III, Appendix B).
Cabinet top cover removed. Refer to paragraph 4.16.
General Safety Requirements:
Material/Parts Required
WARNING
Gasket, item 6, Appendix I.
Solvents are toxic and flammable.
Gasket, item 15, Appendix I.
Do not use near heat or open flame.
Coolant/antifreeze, item 1, Appendix E.
Area should be well ventilated. DO NOT SMOKE
Packings, preformed, item 14, Appendix I
Coolant may be hot if unit was recently running
Be sure to let unit cool before performing the
following procedures
a Removal. Refer to figure 5-10
1) Remove screws (22), flatwashers (21), thermostat housing cover (1), thermostat gasket (2) and
thermostat (3) Refer to paragraph 4.22
2) Remove nut (11), lockwasher (10) and flatwasher (9).
3) Tag and remove wires (8) and (12).
4) Remove engine temperature sending unit (7) and engine high temperature cutoff switch (13).
5) Remove five screws (16), two stud nuts (14) and flatwashers (15,17) from water pump (18) Remove
water pump (18), gasket (19), mounting plate (20) and gasket (4).
6) Remove sleeve (6) and packings, preformed (5) Discard packings, preformed. Retain sleeve.
NOTE
Clean debris from crankcase face, both sides of mounting plate and face of water
pump prior to installation.
b. Installation. Refer to figure 5-10.
1) Install packings, preformed (5), and sleeve (6) into back of water pump (18)
2) Install gasket (4), mounting plate (20), gasket (19), water pump (18), flatwashers (17), and screws
(16). Torque to 15.5 ft. lb /20 Nm.
3) Install stud nuts (14) and flatwashers (15) and torque to 12 ft. lb./16 Nm
4) Install engine high temperature cutoff switch (13) and engine temperature sending unit (7).
5-17
