Fuses - TM-10-3930-631-120041

TM 10-3930-631-12

(b) Inspect battery for cracks, breaks and

potentially dangerous to personnel and

other defects.

property. Do not use near open flame.

Flash point of solvent is 1000F to 138F

gravity reading of the battery. A fully charged battery

(380C to 590C).

should show a reading of approximately 1.275. If

(a) Clean all parts in cleaning compound,

reading is 1.125 or lower, recharge battery. Refer to TM

solvent (Fed. Spec. P-D-680) and dry thoroughly.

10-6140-200-14 for checking specific gravity of battery.

(b) Inspect contacts for burned, pitted and

(d) Check electrolyte level and fill to 5/8 inch

cracked surfaces. Replace unserviceable contacts.

above plates.

(4) Installation. Connect hoist to battery (fig.

and lack of tension. Replace unserviceable springs.

4-10) and lift battery into compartment.

Connect

(d) Inspect blocks for cracks and damage.

removable receptacle to lower receptacle and secure

Replace unserviceable blocks.

with lever. Install side panels and close battery cover.

(6) Assembly.

c. Battery Receptacle and Cables.

(a) Install contacts (23, fig. 4-10.1) in block

(1)

General.

The battery receptacle

(25) and secure with retaining rings (24). Install springs

provides the connection between the battery and the

(22) in block.

truck electrical system. A removable connector is

(b) Install block (21) over springs and

attached to the battery negative and positive leads. A

contacts and secure with screws (20).

receptacle is mounted to the frame at the left of the

operator's seat.

The connector is inserted in the

with screws (19).

mounted receptacle and a lever is lowered to draw the

(d) Install contacts (12, fig 4-10.1) in block

connector into the receptacle and bring the contacts

and secure with retaining rings (13). Install springs (11)

together.

in block (10).

(2) Inspection. Inspect receptacles for

(e) Enclose springs and contacts between

loose wires, burned contacts and damage. Replace if

blocks (10) and (14) and secure blocks together with

necessary.

screws (9).

(3) Removal. Disconnect receptacle (fig.

(f) Install case (8) over battery cables,

4-4). Unsolder cables from receptacle connector.

checking to be sure polarity is correct. Solder cables to

(a) Tag leads before disconnecting to be

contacts in blocks. Slide case over cables and on

certain battery polarity will be correct.

blocks. Secure case to blocks with screws (7).

(4) Disassembly.

(7) Installation.

(a) Remove screws (7, fig. 4-10.1) and

(a) Install battery receptacle (18, fig. 4-

remove case (8) from block.

10.1) on truck and secure with screws (15), lock washers

(b) Remove screws (9) and separate blocks

(16) and nuts (17).

(10 and 14). Remove springs (11). Remove retaining

(b) Solder cables to receptacle. Connect

rings (13) and remove contacts (12).

removable receptacle to lower receptacle and secure

with lever.

remove case (26). Remove screws (20) and separate

4-27. Fuses

blocks (21 and 25).

a. General. The fuses are of the cartridge type

(d) Remove springs (22). Remove retaining

and are mounted in fuse holders. Four are mounted in

rings (24) and contacts (23) from block.

the contactor box along with the 400 amp and 35 amp

(e) Refer to paragraph 4-25 and remove

fuses.

horn (5, fig. 4-10.1) from truck.

b. Test. Test fuses with a test light. If light does

(5) Cleaning, Inspection and Repair.

not glow, replace fuses.

WARNING

c. Removal and Installation. Remove fuses from

Cleaning compound, solvent (Fed.

holders and install identical fuses in their place. Loosen

Spec. P-D-680), used for cleaning, is

screws to remove main fuses from contactor box.

Change 2 4-15