TM 9-2350-277-20-2
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS — Continued
0155 00
ITEM
NO.
INTERVAL
MAN-
HOUR
ITEM TO BE
CHECKED OR
SERVICED
CREWMEMBER
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE
IF:
13
Semi-
Annual
Sprocket Hub
Screws
a. Check sprocket hub screws for looseness or
missing screws. Tighten loose screws to
170-190 lb-ft (231-258 N m) torque. Use torque
wrench (WP 0926 00, Item 79). If screws are
missing, replace (WP 0420 00).
Any screws
are missing,
loose or worn.
SPROCKET
CUSHIONS
SPROCKET
SPROCKET
HUB
SCREWS
MOUNTING
SCREWS
14
Semi-
Annual
0.5
Final Drive
a. Tighten loose final drive-to-hull screws to 75-85
lb-ft (101-115 N m) torque. Use torque wrench
(WP 0926 00, Item 79).
NOTE
Drain oil (3 1/2 quarts) only when hot after
operation.
NOTE
Do not substitute hydraulic fluid for OE/
HDO or OEA. Red dye has been added to
some final drives to aid in detection of
leaks.
b. Drain final drives every 150 hours/1500 miles or
semi-annually.
1) Place a suitable container under final drive
housing.
2) Remove drain plugs from final drive
housing and drain oil into the container
(WP 0452 00).
0155 00-61
