ELECTRICAL SYSTEM - TM-10-3930-623-120089

TM 10-3930-623-12

6-45. INSTALLATION.

1. Install holddown angle and hook bolts, and

tighten nuts on hook bolts only snug enough to hold

1. If installing a replacement valve, install fittings

battery in place. Do not draw them tight enough to exert

removed from original valve, if they are serviceable.

significant pressure on the battery case.

2. Screw return line pipe into return opening in side

2. Connect battery cables to posts.

of valve.

6-49. STARTER MOTOR REMOVAL.

3. Connect all hoses to valve fittings as tagged.

1. Disconnect one cable at the battery to prevent

4. Mount valve to mounting bracket with through

shorting of tools against truck frame.

bolts, lock washers and nuts. Start engine to pressurize

system, and operate valve through all its functions,

2. Disconnect and tag all electrical leads at the

checking for leaks as each line is under pressure.

starter solenoid (see figure 1-2).

5. Adjustment. Sluggish operation of tilt and lift

3. Remove starter motor mounting screws and

cylinders may result from improper adjustment of the

washers, and take starter motor from flywheel housing.

control valve relief valve. Adjust as follows:

a. Remove pipe plug (36, fig. 6-2.1) and

6-50. STARTER MOTOR INSTALLATION.

install suitable 9-3000 psi gage having NPT male

threads.

1. Position starter motor at mounting pad on

b. Start engine (para 4-55) and operate TILT

flywheel housing.

control (para 4-53) until mast reaches limit of travel.

Hold lever in operating position and-note line pressure.

2. Install mounting bolts and washers and tighten.

Pressure should be 1650 psi.

c. If pressure is not correct, remove cap nut

3. Reconnect leads to starter solenoid.

(1) and loosen locknut (3).

d. To raise pressure, turn setscrew (4)

4. Reconnect battery cable at battery.

clockwise and to reduce line pressure turn setscrew

counterclockwise.

6-51. ALTERNATOR REMOVAL.

1. Disconnect wiring harness and ground lead at

6-46. ELECTRICAL SYSTEM.

front of alternator.

6-47. BATTERY REMOVAL.

2. Remove attaching screw at adjusting strap (see

figure 1-2) and screws at mounting bracket, and lift off

1. Loosen nuts which clamp cable terminals to

alternator.

battery posts (see figure 3-1 ) and remove cables from

posts. Do not remove caution tag from negative cable

6-52. ALTERNATOR INSTALLATION.

terminal.

1. Position alternator on mounting bracket and

2. Remove nuts securing battery holddown angle,

install screws attaching alternator to mounting bracket

remove holddown angle and hook bolts. Carefully lift out

and adjusting strap.

battery.

2. Install drive belt on alternator pulley, and adjust

CAUTION

belt tension as given in paragraph 5-34(4).

If battery top is wet, there is probably

3. Reconnect wiring harness and ground lead to

electrolyte present which is corrosive

alternator.

to metals and destructive to clothing.

Avoid contact and rinse battery freely

6-53. DISTRIBUTOR REMOVAL. The following steps

with clear water.

anticipate timing the distributor on installation.

6-48.

BATTERY INSTALLATION.

Since charging

1. Remove cover from timing mark hole(see figure

system components of this truck could be damaged if

1-2) and crank engine until timing mark is aligned with

the battery is connected in reverse polarity, be careful to

pointer.

identify the battery posts before reconnecting cables.

The ground cable is to be connected to the negative

post.

6-6