TM 10-4320-344-24
2.21.25 0i1 Bypass Line Rpair, Model US636HCCD-1.
This task covers:
2.21.25.1 Removal
2.21.25.3
Installation
2 .
2
1 .2 5 . 2 R e p a ir
INITIAL SETUP
Tools
Equipment Conditions (Continued)
General Mechanic’s Automotive
Oil drained, LO 10-4320-344-12.
Tool Kit, Appendix B, Section
III, Item 1
General Safetv Instructions
Material/Parts
Do not work on equipment that is not
securely stabilized to prevent rolling
Rags, Appendix C, Item 20
o r s l i d i n g.
Lock Washers (TM 10-4320-344-24P)
Equipment Conditions
Do not work on equipment without follow-
ing standard shop safety practices.
Pumping station shut down, TM 10-4320-
344-10.
2.21.25.1 Removal.
To prevent burns or other injuries allow oil bypass line, oil cooler, and
engine to cool before removing oil bypass line.
Failure to obey this warning
may result in serious personal injury.
a.
Unfasten,
open and remove upper air cowling.
b .
Remove nut (Figure 2-140,
1), lock washer (2), bolt (3), pipe clamp halves (4
and 5), bolt (6), lock washer (7), and spacer (8). Discard lock washers (2
and 7).
c .
Loosen two retaining nuts (9) and remove oil bypass line (10).
2.21.25.2 Repair.
a .
Inspect all mounting hardware for damage.
b .
Replace all defective components.
2.21.25.3 Installation.
a .
Install oil bypass line (10) in engine (11) and secure with two retaining nuts
( 9 ).
b .
Install spacer (8) and two pipe clamp halves (4 and 5)
and secure-with new
lock washer (7), bolts (3 and 6), and new lock washer (2) and nut (1).
c .
Install upper air cowling.
2-318
