Table 2-1. Preventive Maintenance Checks and Services (PMCS) - CONT

TM 55-1905-223-24-17

Table 2-1. Preventive Maintenance Checks and Services (PMCS) - CONT

D - Daily

M - Monthly

B - Bimonthly S - Semiannually

A - Annually

Item

Intervals

Items To Be

No.

Inspected/Serviced

Procedures

All ventilation fan

WARNING

motors (SF and EF)

Turn electrical power OFF.

Secure electrical power and lubricate bearings with

one or two shots from a general purpose grease gun.

Refer to LO 55-1905-223-12.

All ventilation fan

WARNING

assemblies (SF and EF)

Turn electrical power OFF.

Secure electrical power and check all mounting

hardware for looseness. Secure all bolts, nuts,

and screws until snug.

Check all electrical connections for looseness.

Secure as required.

All V-belt drive pulleys

WARNING

(SF-4 and 6, EF-4 and 6,

A/C-2)

Turn electrical power OFF.

Secure electrical power. Remove V-belt and inspect

pulley sheave for burrs, chips, or cracks. Replace

pulley as required. Check for dirt, oil, rust, or

other foreign matter in the pulley groove. Remove

rust with a hard wire brush. Clean with rag and

soapy water.

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