Compressor Drive Belt Replacement

ARMY TM 10-4610-309-14

MARINE CORPS TM 10802A-14/1

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TACTICAL WATER PURIFICATION SYSTEM (TWPS)

UNIT MAINTENANCE PROCEDURES

AIR COMPRESSOR

Compressor Drive Belt Replacement:

Parts (TM 10-4610-309-24P):

Belt, V

Equipment Condition:

TWPS in Standby Shutdown Without Draining Down

Army TWPS: Generator off and TWPS main breaker off

Marine Corps TWPS: TWPS disconnected from power source

WARNING

The TWPS must be in Shutdown and the TQG and TWPS main breaker must be off

(Army) or the TWPS disconnected from its power source (Marine Corps) prior to

performing maintenance on the TWPS Air Compressor. Failure to observe this

warning can result in injury to personnel and damage to equipment.

Replace the air compressor drive belt as follows:

1. Make sure that electrical power to the TWPS has been shut off.

2. Remove the air compressor assembly drive belt as follows (see Figure 14):

i. Remove the 15 cap screws, 15 lock washers, and 15 flat washers from the front of the

belt guard assembly and lift the front screen off the belt guard assembly.

j. Loosen the four drive motor mounting nuts.

k. Loosen the belt adjustment bolt (turn it counterclockwise) and slide the drive motor

toward the compressor to loosen and remove the belt.

BELT GUARD SCREEN

DRIVE BELT

DRIVE MOTOR

CAP SCREW, LOCK WASHER,

BELT GUARD

MOUNTING NUT

AND FLAT WASHER

ASSEMBLY

EDGE OF MOUNTING PLATE

SHEAVES

EDGE OF DRIVE MOTOR BASE

DRIVE MOTOR BASE BOLT

BELT ADJUSTMENT BOLT

Figure 14. Drive Belt Replacement.

3. Check that the air compressor and drive motor sheaves are secure.

4. Remove any debris from the front area of the motor and compressor.

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