Electrical Controls

TM 10-3930-631-34

(7) Using the hoist, lift the mast assemblies

2-16. Electrical Controls

from the truck and place them on suitable sup- ports with

a. General. The main electrical controls consist of the

the cylinder cluster up.

contactor panel mounted below the operator's seat and

b. Installation.

the static panel mounted in a compartment in the lower

Note

left side of the frame.

b. Removal.

When using a hoist, always be certain that the

hoist has sufficient lifting capacity for the

1) Contactor panel.

operation to be performed.

CAUTION

(1) Using a hoist lift mast assembly into place

Before

attempting

removal

procedures,

on front of truck. Use a drift pin to aline pivot pin holes

disconnect battery receptacle and discharge

on mast and truck frame.

capacitors.

(2) Install pivot pins in mast and frame and

(a) Refer to TM 10-3930-631-12 and remove

secure with screws and lock washers.

battery from truck.

(3) Remove plugs from hydraulic hose and flow

(b) Remove sheet metal cover from contactor

regulator fitting and connect hose to flow regulator.

panel.

(4) Refer to TM 10-3930-631-12 and secure tilt

cylinders to mast.

7). Tag and disconnect seven cables from posts on

(5) Install hoses on outer mast and secure in

lower surface of contactor box.

place with clamps, screws, nuts and lock washers.

(d) From forward wall of battery compartment

(6) Remove plugs from hoses, junction block

remove screws, nuts and lock washers securing

and hose reel. Connect hoses to hose reel (fig. 2-6) and

contactor panel to frame.

to junction block on hose reel. (7) Refer to paragraph 2-

14 and install side shift carriage on mast.

2-13