TB 9-6115-644-13
4-14
COOLANT HOSE MAINTENANCE
This task covers:
a. Inspect
c. Replace
b. Remove
d. Install
INITIAL SETUP
Tools
Equipment Conditions
Tool Kit, General Mechanic's
Reference
(item 1, appendix B)
Materials/Parts
None
Generator shut down, TM 9-6115-644-10, Paragraph 2-9.2
Heater shut off, TB 9-6115-644-13, Paragraph 2-4.1.c
INSPECTION
Inspection is limited to visual inspection of components. Check for leaks and cuts.
REMOVAL
WARNING
Before disconnecting any coolant lines, let generator cool from
operation, then relieve pressure by opening radiator cap carefully.
Coolant is hot and under pressure and may cause severe burns.
1.
Drain coolant.
2.
Loosen screw clamps (1), Figure 4-25, to disconnect either or both coolant hoses, inlet (2) and/or outlet (3), from the
heater. Drain any coolant from the hose into a suitable container.
3.
Loosen screw clamp (1) to disconnect coolant hose, inlet (2) and/or outlet (3), to be replaced from engine block or
water pump.
REPLACEMENT
1.
Perform steps 1 thru 3 of removal.
2.
Perform steps 1 thru 2 of installation, substituting a new coolant hose for the defective one.
INSTALLATION
1.
Install either or both new coolant hoses, inlet (2) and/or outlet (3), securing with screw clamp (1).
2.
Top off radiator coolant level to replace coolant lost in hose removal.
3.
Fill radiator to proper coolant level.
