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![]() TM 5-2420-222-20-1 
FAN SHROUD - CONTINUED 
NOTE 
FOLLOW-ON MAINTENANCE: Install radiator (page 2-371). 
TASK ENDS HERE 
THERMOSTAT HOUSING AND COVER 
This task covers: 
a. Removal (page 2-392) 
c. 
Inspection/Replacement (page 2-394) 
b. Cleaning (page 2-393) 
d. 
Installation (page 2-394) 
INITIAL SETUP: 
Tools 
Materials/Parts - Continued 
Hammer, plastic-faced 
Rags, wiping (item 21, Appendix C) 
Handle, ratchet, 3/8-inch drive 
Solvent, drycleaning (item 28, Appendix C) 
Knife, putty 
Socket, 3/8-inch drive, 9116-inch 
Personnel Required 
Vise, machinist's 
Wrench, box, 5/18 inch 
One 
Wrench, torque, 3/8-inch drive, 
0 to 60 Nm capacity 
Equipment Condition 
Materials/Parts 
1. Thermostat hoses and clamps removed 
(page 2-400) 
Gasket, thermostat housing 
2. Thermostat removed (page 2-396) 
Lockwasher, thermostat housing 
screw (two required) 
ACTION 
LOCATION 
ITEM 
REMARKS 
REMOVAL 
1. Thermostat housing 
Two screws (3) and 
a. Using 9/16-inch, 3/8-inch drive socket 
(1) and cylinder 
lockwashers (4) 
and ratchet handle, unscrew and take 
head (2) 
out. 
b. Get rid of lockwashers (4). 
2. Cylinder head (2) 
Housing (1) and 
a. Using plastic-faced hammer, tap loose. 
gasket (5) 
b. Take off. 
c.  Get rid of gasket (5). 
2-392 
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