Section Ill. GENERAL MAINTENANCE

TM 5-6115-376-13

Section Ill. GENERAL MAINTENANCE

units), or to TM 5-6115-42-12 (60KW units).

5-5. General Maintenance

Refer to TM 9-2330-205-14 for the M200A1

For general maintenance instructions covering

generator trailer, and to TM 9-2320-211-10 for

the diesel engine generator sets refer to TM

general maintenance of the M54A2 cargo truck.

6-6115-239-10, or TM 5-6115-247-15 (45KW

Section IV. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS AND AUXILIARIES

5-8. Switchbox (PU-699/M)

5-6. Distribution Box Assembly

a. Disconnect cables from switchbox, and in-

a. Disconnect power cable and ground strap

stall covers on connector-receptacle.

from distribution box.

b. Loosen turnbuckles of holddown assemblies

b. On PU-407/M and PU-699/M trailer units

until hooks can be removed from handles of

remove mounting hardware from under fender

switchbox.

securing distribution box to fender.

c. With adequate lifting device, lift switchbox

c. On PU-408/M and PU-700/M cargo truck

from its mounting base on trailer fender.

remove mounting hardware from under skid plat-

d. Install replacement switchbox in reverse or-

form securing distribution box to skid.

der of removal.

d. Remove support brace (fig. 1-3(1) from

mounting bracket on side of distribution box.

5-9. Diesel Engine Generator Set

e. With suitable lifting device, lift distribution

NOTE

box from trailer fender of PU-407/M or PU-

To remove diesel engine generator unit from the

generator trailer or truck, four men and a device

699/M unit (or from skid platform of PU-408/M

capable of lifting 5,000 pounds are required

or PU-700/M).

a. Removal Front Generator Trailer (PU407/

f. Install replacement distribution box on

M, PU-699/M).

trailer or truck in reverse order of removal.

(1) Lower front and rear landing legs and

set trailer handbrakes.

5-7. Synchronizer-Assembly (PU407/M)

(2) Remove distribution box (para 5-6),

a. Loosen turnbuckles of hold-down assemblies

synchronizer assembly (PU-407/M, para 5-7)

until hooks can be disengaged.

(or switchbox, PU-699/M, para 5-8), portable

b. Remove cables from synchronizer assembly

distribution boxes, cable reels, fuel cans, fire ex-

and install covers on connection.

tinguishers, and portable accessory boxes from

c. With adequate lifting device, lift syn-

their mounting bracketsi on trailer.

chronizer assembly from its base mounting frame

(3) Remove bolts holding DE generator unit

on trailer fender.

skid base to trailer frame.

d. Install replacement synchronizer assembly

(4) Remove DE generator unit mounting

in reverse order of removal.

support pins from DE generator unit skid base.

5-2