Engine - TM-5-4320-234-340044

TM 5-4320-234-34

(2) Disconnect the fuel lines connecting

Reassembly and Installation.

the fuel pump to the fuel tank (TM 5-4320-234-12, para

4-21).

(1) Position the coupling half (13, fig. 2-

22) on the drive plate (12); secure with six cap screws

CAUTION

(10) and lock washers (11).

(2) Position the assembled drive plate and

Although this engine is equipped with a

coupling half on the engine flywheel; secure with eight

reverse polarity protector to prevent

cap screws (8) and lock washers (9).

alternator damage due to reverse-polarity

connections, you should always take

(3) Position the collar (6) on the coupling

special precautions when connecting and

half (7); secure with the retaining ring (5). Make sure

disconnecting electrical leads and cables.

the retaining ring is fully seated in the ring groove and

Do not ground the field terminal between

install the lock wire (4) into the retaining ring.

the alternator and regulator.

Do not

operate the alternator in an open circuit

(4) Position the assembled coupling half

with the rotor winding energized. Do not

(7) and collar (6) on the end of the impeller shaft so that

ground the alternator output circuit. You

the keyway engages the key on the shaft. Secure with

should take care to prevent reversing

the setscrew (3).

polarity of the electrical system. When you

use a battery booster or fast charge, make

(5) Install three cushions (2) on each

sure the leads are connected with the

coupling half; secure each with a sleeve (1).

correct polarity. Failure to follow these

instructions may damage the rectifiers,

(6) Install the assembled pump and

voltage regulator, and wiring.

bearing housing onto the engine and chassis frame

(para 2-9).

(3) Disconnect the battery cables at the

battery, taking care to prevent shorting, grounding, or

2-11. Engine

reverse-polarizing the electrical system. Disconnect the

battery cable from the engine.

Removal. Remove the engine from the

centrifugal pump and chassis frame as follows:

(4) Remove the bolts (3 and 4, fig. 2-23),

flat washers (5), nuts (1), and lock washers (2) that

(1)

Remove the centrifugal pump (para 2-

secure the engine to the chassis frame. Use a suitable

9).

lift truck to raise the engine from the chassis, taking care

to insert the forks under structural members only.

2-33