Chapter 3. OPERATOR/CREW MAINTENANCE INSTRUCTIONS

TM 5-6625-2691-13&P

CHAPTER 3

OPERATOR/CREW MAINTENANCE INSTRUCTIONS

Section I. LUBRICATION INSTRUCTIONS

3-2. Detailed Lubrication Information

3-1. General Lubrication Information

No lubrication of the components in the test set is

When required, an occasional drop of lubricating oil

necessary. Fan motor bearings are factory sealed for

should be applied to the door hinges.

the life of the motor.

Section Il. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

3-3. General

a deficiency is noticed during operation which would

damage the equipment if operation were continued. All

a. To ensure that the test set is ready for operation at

all times, it must be inspected systematically so that

deficiencies and shortcomings will be recorded,

defects may be discovered and corrected before they

together with the corrective action taken on DA Form

2404 (Equipment Inspection and Maintenance

result in serious damage or failure.

Worksheet), at the earliest opportunity.

h. The necessary preventive maintenance checks and

services to be performed are listed and described in Ta-

3-4. Daily Preventive Maintenance Checks

ble 3-1.

and Services

Table 3-1 lists those things the operator must do

c. Defects discovered during operation of the unit

before, during and after operation of the test set in

shall be noted for future correction, to be made as soon

as operation has ceased. Stop operation immediately if

order to keep it functioning properly.

Table 3-1. Operator/Crew Preventive Maintenance Checks and Services

A - After Operation

D - During Operation

B - Before Operation

Time required: 0.4

Time required: 0.7

Interval

Work

and

Item to be inspected

time

sequence no.

(M/H)

procedure

0.1

CONNECTIONS

Inspect for damaged wires, insulation, loose connections and insecure mountings. Report any damage

to higher maintenance personnel.

0.1

TERMINALS

Inspect for loose, corroded or oxidized terminals. Report any damage to higher maintenance person-

nel.

0.1

ELECTRICAL COMPONENTS

Blow dust off using compressed filtered air.

0.1

FAN MOTOR

Inspect for overheating, excessive hum or loose mounting. Report any of these conditions to higher

maintenance personnel.

0.1

SWITCHES

Inspect for proper operation and secure mounting. Report any deficiencies to higher maintenance

personnel.

0.2

GENERAL

Clean away dirt, oil film, rust or any other foreign material from the unit. Repaint bare metal sur-

faces. Do not paint electrical components.

Section Ill. TROUBLESHOOTING

3-5. General

remedv the malfunction.

a. This section contains troubleshooting or malfunc-

b. This manual cannot list all possible malfunctions

tion information and tests for locating and correcting

that may occur or all tests or inspections and corrective

most of the troubles which may develop in the test set.

actions. If a malfunction is not listed (except when

Each malfunction or trouble symptom for an individual

malfunction and cause are obvious), or is not corrected

component, unit or system is followed by a list of tests

by listed corrective actions, you should notify higher

or inspections necessary for you to determine probable

causes and suggested corrective actions for you to

level maintenance.

3-1