Table 2-1. Operator/Crew Preventive Maintenance Checks and Services - Continued

Table 2-1. Operator/Crew Preventive Maintenance Checks and Services

Table 2-1. Operator/Crew Preventive Maintenance Checks and Services - Continued - TM-5-4310-375-140020

TM-5-4310-375-14 Compressor Unit Reciprocating 15 CFM 175 PSI Electric Motor Driven Model RI22RAAB Part no. 84950 Manual
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T M 5-4310-375-14

Table 2-1. Operator/Crew Preventive Maintenance Checks and Services - Continued

EQUIPMENT IS NOT

ITEM TO BE

INTERVAL

ITEM

PROCEDURE

READY/AVAILABLE

IF:

INSPECTED

D A

NO.

for gauge replacement or pressure

switch adjustment.

Globe valve sticking,

Check operation of globe valve (9,

Air hose (16,

cuts or breaks in air

figure 2-1) and inflator gauge (10).

figure 2-1),

Check air hose (16) for cuts and

hose, or inflator gauge

Inflator gauge

does not operate.

breaks. Examine all fittings for

(10, figure 2-1),

visual damage. Report all defects

Globe valve (9,

to Organizational Maintenance

figure 2-1)

for repair or replacement.

After operation and at least once

Receiver drain (11,

each week open receiver drain (11,

figure 2-1)

figure 2-1) to drain off accumu-

lated condensate. Check to make

certain drain cock closes and seats

properly. If drain cock leaks or is

damaged, notify Organizational

Maintenance for replacement.

Any malfunction of

Check operation of safety valve (6,

Safety valve (6,

safety valve.

figure 2-1) by pulling upon ring

figure 2-1)

located on end of valve until air

escapes from receiver tank. Re-

lease ring; valve should reseat

stopping escaping air. If valve does

not relieve air pressure in tank, or

does not reseat, notify Organiza-

tional Maintenance for replacement.

Change oil in air compressor (13,

Air compressor

(13, figure 2-1)

figure 2-1) after the first 100 hours

of operation (every 500 hours

thereafter). Drain while oil is

warm. Place a container below

compressor drain, open oil drain

cock (17) and remove filler

cap (12). When oil flow stops,

close oil drain cock (17), Fill

compressor with SAE 30 weight

oil to level of center mark on

sight gauge (7). Capacity of

compressor frame is 1-1/2 quarts

(1.4 liters). Refer to paragraph

3-2 for lubrication instructions.

2-5

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