Observe air conditioning system for 5 minutes. Check for the following:

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Do the following together:

TM-55-1905-220-14-2 Landing Craft Unit LCU 1671-1679 (1905-01-009-1056) Manual

Check the following gages:

TM 55-1905-220-14-2

2-112. AIR CONDITIONING SYSTEM START -UP (Cont).

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Observe air conditioning system for 5 minutes. Check for the following:

compressor suction temperature gage (22) should read 65F (18.3 C).

(a)

(b)

Compressor suction gage (21) should read 80 to 100 psi (551.6 to 689.5 kPa).

(c)

If the compressor suction temperature gage (22) shows a sudden drop in temperature,

or,

(d) If the compressor suction gage (21) fluctuates rapidly -

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