HYDRAULIC TANK.

TM 10-3930-623-34

3. Remove driven and drive gearshafts (13 and

14), four bushings (11) and two pins (12).

4. Remove two back-up rings (8) and packings (6,

7 and 9).

5. Remove two pins (10) from pump housing (35)

and drive screw (34) and identification plate (33) only if

replacement is necessary.

6. Remove plug (17), packing (18), and steering

gear priority valve parts (19, 20 and 21).

7. Remove plug (24), packing (25) and pressure

relief valve parts (26 through 32).

4-38. HYDRAULIC TANK.

4-39. REMOVAL. The tank must be removed from

below the truck, therefore spot the truck over a pit or

raise it on a hoist. Since there will be no hydraulic fluid

to lubricate the pump, tag the ignition switch with a note

that the engine is not to be started. Remove the tank as

follows:

1. Lower carriage fully and tilt and tie uprights

back.

2. Remove hydraulic fluid from tank.

Either

remove plug (42, figure 4-2) from bottom of tank and

drain fluid into large container, or use a suction transfer

pump, with pickup hose inserted to bottom of tank

through fill opening.

3. Disconnect suction and return line hoses

Figure 4-8. DELETED

nearest tank (see figure 4-2). Remove four attaching

nuts, lock washers and flat washers, take tank from

4-44. CHASSIS MOUNTED ELECTRICAL UNITS.

mounting studs on frame and remove tank from

4-45. REMOVAL. All chassis mounted electrical units

underside of truck.

are shown in figure 4-9 and identified in the key to the

illustration.

Remove any unit using the following

procedure:

4-40. DISASSEMBLY.

1. Remove screws (45, figure 4-2), washers (46)

1. Disconnect

either

battery

cable

and take filter flange (44) and gasket (47) from tank.

(3 or 4, figure 4-9) at battery before starting to remove

Unscrew filter element (48) from flange, and lift out tube

unit.

(49).

2. Remove any sheet metal restricting access to

2. Remove combination fill cap dipstick (40).

the unit to be removed.

3. Disconnect wiring at nearest point to unit to be

4-41. DELETED

removed. Both the stop and taillight (17) and the spot

light (32) have attached wiring harnesses which must be

4-42. DELETED

detached from the chassis. All wiring connections have

either eyelet terminals or push type connectors.

4-43. DELETED

4. Remove attaching parts and lift from truck.

4-10