TM 5-3810-295-34
13-12. Removal and Disassembly
gasket (8)
a. Refer to figure 13-3 and remove oil cooler as
(2) Disassemble cover assembly (7) by removing
follows:
plug (9), cap (10), shim (11), spring (12), and plunger
(1) Drain the cooling system by opening drain
(13).
cock on the bottom of the oil cooler.
(3) Remove screws (14) and washers (15).
(2) Remove screws (1) and washers (2). Lift the
Carefully pull housing spacer (16) from housing (21)
cooler from the engine. Remove gasket (3) and (4).
without damaging element (19).
Disassemble oil cooler as described in the following:
(4) Remove gasket (17) and retainer (18). Pull element
(1) Remove screws (5) and washes (6). Separate
(19) from housing (21) without damaging element.
housing cover (7) from housing spacer (16) and remove
1 Screw
9 Plug
17 Gasket
2. Washer
10 Cap
18 Retainer
3 Gasket
11 Shim
19 Element
4 Gasket
12 Spring
20 Preformed packing
5 Screw
13 Plunger
21 Housing
6. Washer
14. Screw
22.Drain cook
7 Housing cover
15 Washer
23 Drain cock
8 Gasket
16 Housing spacer
24 Bushing
Figure 13-3. l cooler-exploded view.
(5) Remove preformed packing (20) and disassem-
NOTE
ble housing (21) by removing plug (22), drain cock (23),
Clean core as soon as possible after removal to
and bushing (24).
prevent hardening and drying out of foreign
13-13. Cleaning
substances.
a. Clean all traces of gasket material from the
a Clean badly clogged oil passages by circulating an
cylinder block and cooler components.
oakite or alkaline solution through the core. After
& Force cleaning solvent, Federal Specification P-
cleaning, flush thoroughly with hot water. (1) Plug oil
D-680, or equivalent, through the coil passages to
inlet and outlet.
remove the carbon and sludge.
d. Clean water side of the cooler as follows:
13-7
