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 TM 5-1940-277-20
TM 1940-20/2
REMOVE
1.
Remove coolant reservoir (refer to paragraph 3-72.1).
2.
Using 13 mm wrench remove three screws (3), belt guard (4), and space (2) from engine (1).
WARNING
Keep hands out of the path of the spring-loaded tensioner. Failure
to comply may result in injury to personnel.
CAUTION
The drivebelt tensioner is spring loaded and must be pivoted away
from the drivebelt. Failure to comply may result in injury to
equipment.
NOTE
Note how belt is installed on pulleys to assist with installation.
3.
Use 1/2 inch square drive ratchet to turn tensioner (5) off drivebelt (6).
4.
Remove drivebelt (6) from engine (1).
5.
Using 15 mm wrench, remove screw (7) and tensioner (5) from engine (1).
INSTALL
CAUTION
Ensure that belt tensioner tang is aligned with hole in the engine
bracket before tightening screw. Failure to comply may result in
damage to equipment.
1.
Secure belt tensioner assembly (5) on engine (1) with screw (7). Tighten screw (7) to 32 lb-ft
(43 Nm).
WARNING
Keep hands out of the path of the spring loaded tensioner. Failure
to comply may result in injury to personnel.
CAUTION
The drivebelt tensioner is spring loaded and must be pivoted away
from the drivebelt. Failure to comply may result in damage to
equipment.
NOTE
Install drivebelt as noted in removal.
2.
Use 1/2 inch square drive ratchet to lift tensioner (5) install drivebelt (6) on engine (1).
3.
Secure belt guard (4) and three spacers (2) to engine (1) with three screws (3). Tighten screws (3) to
18 lb-ft (24 Nm).
4.
Close engine hatches.
3-252.1
Change 2
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