CHAPTER 5 DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE INSTRUCTIONS

TM 5-6115-423-15

CHAPTER 5

DIRECT SUPPORT, GENERAL SUPPORT AND

DEPOT MAINTENANCE INSTRUCTIONS

Section I GENERAL

59. Scope

60. Record and Report Forms

These instructions are published for the use

For record and report forms applicable to

of field and depot maintenance personnel main-

direct and general support and depot mainte-

taining the Sun Electric Model GPT-3D1

nance, refer to TM 38-750.

load bank. They provide information on the

maintenance of the equipment which is beyond

Note. Applicable forma, excluded standard Form 46

the scope of the tools, equipment, personnel

(United States Government Vehicles Operator's Identi-

or supplies normally available to using orga-

fication Card) which is carried by the operator shall

nizations.

be, kept in a canvas bag mounted on the equipment.

Section Il. DESCRIPTION AND DATA

Mounting----------------- Mount fan hub 3/8-inch

61. Description

from end of shaft.

For a complete description of the load bank

Figure 16. Load bank wiring schematic.

Model GPT-3D-1 see paragraph 8.

(Located in back of manual)

62. Tabulated Data

c. Fan Motor.

a. General. This paragraph contains all the

Type_____________________28 volts DC from AC

input power through

overhaul data pertinent to the direct and

transformer-rectifier

general . support and depot maintenance

module.

personnel. A wiring schematic (fig. 16) is also

Ratting ------------------- 1/20 HP minimum at

included.

3600 RPM

Duty__________________Continuous

b. Electrical Power Absorber, Classification

Degree enclosure____________Full

and Rating.

Mounting______________Motor mounting bracket

within power absorber

Rating ------------------- 10 kw

Rpm_______________ 3600 rpm minimum

Resistive element ---------- 1/8-inch Nichrome wire,

4000 rpm maximum

wound counterclockwise,

C l a s s i f a c t i o n and

d. Auto-transformer,

number of turns, spacing

Rating.

and length of ribbon is

determined by wiring

Rating____________ 240 volt, 50-1000 cps,

single phase input, 120

assembly. Motor leads,

volts 1% output at

thermal overload

1 km Forced air cooling

(kilixon) and air switch

at 600 Lineal feet/

leads brought out

through clamp to ter-

minute

125 F ambient

minal board.