TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
PROCEDURE
ITEM
INTERVAL
MISSION
CHECK/
NO.
CAPABLE IF:
SERVICE
+40F TO -65F
+40F TO -15F
ABOVE 15F
LUBRICANT
(+4C TO -54C)
(+4C TO -26C)
(ABOVE -9C)
OE/HDO
Lubricating oil, internal
All Temperatures
All Temperatures
combustion engine
(MIL-L-2104)
OEA
Lubricating oil, internal
All temperatures
combustion engine (arctic)
(MIL-L-46167)
17
Semi-
Engine
WARNING
annual
oil and
oil filter
Do not drain oil while engine is hot. Injury to
(Contd)
personnel may result.
NOTE
Have drainage container ready to catch oil.
Replace oil filter element each time crankcase
is drained.
Numbers in brackets refer to items found in
Mandatory Replacement Parts List (page 2-65).
b. Drain Oil from Crankcase.
1. Remove drain plug (6) and gasket (7) [7] from oil
pan (8) and allow oil to drain completely. Discard
gasket (7) [7].
2. Install new gasket (7) [7] and drain plug (6) on oil
pan (8). Tighten drain plug (6) 25-35 lb-ft (34-48 Nm).
c. Filter Removal.
1. Loosen center bolt (5) and remove oil filter housing
(4) from oil pump (1).
2. Remove oil filter element (3) [6] and filter seal (2)
[5] from oil filter housing (4). Discard oil filter element
(3) [61 and filter seal (2) [51.
d. Oil Filter Element Installation.
1. Insert new oil filter element (3) [6] in oil filter
housing (4).
2. Apply light film of lubricating oil on new filter
seal (2) [5] and install filter seal (2) [5] on sealing surface
of oil pump (1).
3. Install oil filter housing (4) on oil pump (1) with
center bolt (5). Tighten center bolt (5) 25-35 lb-ft
(34-47 Nm).
2-12
