TM 5-3810-206-35
KEY to fig 3-49:
1
Main bearing capnut
5
Capscrew
9
Capscrew (4 rqr)
12
Vibrating damper
(14 rqr)
6
Pipe
10
Oil pump and strainer
13
2
Lockwasher, IET (10 rqr)
7
Main bearing cap (7 rqr)
11
Connecting rod cap
14
Crankshaft
3
Capscrew
8
Rod capnut (12 rqr)
(6 rqr)
4
Elbow
Figure 3-49. Oil pump an crankshaft, exploded view.
(6) Remove four capscrews (9), lockwasher (2),
Note.
Replace
all
gaskets
at
and oil pump and strainer (10) from crankcase (13).
reassembly.
(7) Install oil pump and strainer by reversing the
procedures in steps (1) through (6) above.
(8) Reassemble oil pump and strainer by
b. Disassembly and Reassembly.
reversing the procedures in steps (1) through (7) above.
(1) Remove lockwire (26, fig. 3-50), three
c. Cleaning, Inspection, and Repair.
screws (25), washers (24), and strainer screen (23) from
(1) Clean all parts and dry thoroughly before
housing (29).
reassembly or installation.
(2) Remove pin (27), washer (20), spring (21),
(2) Inspect impeller and shafts for wear or
and relief valve piston (22) from rear of pump housing
broken teeth. Inspect flanged bearings for scoring or
(11).
wear. Inspect strainer for torn screen, corroded, or
(3) Remove two bolts (19), lockwashers (16),
broken condition. Inspect cover and housings for breaks
housing (29), and gasket (28) from housing (11).
or cracks. Inspect mounting hardware for defective
(4) Remove eight screws (3) and lockwashers
threads or other damage.
(4) and separate rear housing (11), cover (5), and two
(3) Repair by replacing all damaged or defective
gaskets (7) from housing (10).
components. Replace all gaskets at reassembly.
(5) Lift gears (8 and 31) out of housing (10).
(6) Press flanged sleeve bearings (6 and 33)
3-46.
Oil Pump (Engine Model D333TA)
out of cover (5) and rear housing (11) only when
replacement is required.
a. Removal and Disassembly.
(7) Remove pins (9) from housing (10), then
(1) Remove engine (para 2-9).
remove capscrew (13) and gasket (12) from housing
(2) Remove oil pan and plate (para 3-44).
(11).
(3) Remove bolt (6, fig. 3-51), lock (7), tube (5),
and packing (4).
3-60
