TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 1149 of 1337
TM 9-2320-260-20
14-16. ENGINE COOLANT HEATER HOSES REPLACEMENT
THIS TASK COVERS:
a.
Removal
b. Installation
lNITIAL SETUP
APPLICABLE MODELS
EQUIPMENT CONDITION
All
• Parking brake set (TM 9-2320-260-10).
MATERIALS/PARTS
•
Hood raised and secured (TM 9-2320-260-10).
Seven locknuts
REFERENCES (TM)
TM 9-2320-260-10
TM 9-2320-260-20P
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
NOT E
.
Close water manifold, engine oil cooler, and heater-battery box
valves prior to removal.
●
Have drainage container ready to catch coolant.
Loosen clamp (12) and disconnect hose (11) from water manifold valve (13).
Loosen clamp (15) and disconnect hose (14) from engine oil cooler valve (16).
Loosen clamp (24) and disconnect hose (14) from pump elbow (23).
Loosen clamp (27) and disconnect hose (28) from heater-battery box valve (26).
Loosen two clamps (31) and disconnect hoses (28) and (32) from lower battery heater pad (30).
Loosen clamps (22) and (1) and disconnect hoses (32) and (11) from upper battery heater pad (2).
Remove two locknuts (29), screws (33), clamps (34), bracket (35), and hoses (28) and (32) from
battery box (25). Discard locknuts (29).
Remove two locknuts (20), screws (17), clamps (19), and hose (14) from brackets (18). Discard
locknuts (20).
NOT E
Assistant will help with steps 9 and 10.
Remove two locknuts (21), clamps (3), screws (4), and hose (11) from front and intermediate cab
tunnels (5) and (6). Discard locknuts (21).
Remove locknut (7), screw (10), clamp (9), and hose (11) from firewall (8). Discard locknut (7).
14-32
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