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TM 9-4110-257-14
Table 2-1. Operator Preventive Maintenance Checks and Services for Model F10000RD-Continued
Location
Item
Item to
Not Fully Mission
No.
Interval
Check/
Procedure
Capable if:
Service
15
During
Sight
NOTE
Indicator
The sight indicator must not be
inspected when the DEFROST IN
PROGRESS lamp is on.
The sight indicator can be viewed
looking through the left side
condenser door.
Inspect sight indicator port for constant bubbles
Sight indicator port
or foaming and note center indicator color. If
shows constant bubbles
constant bubbles or yellow indicator are seen,
or foam. Center
shut down refrigeration unit (para 2-7) and notify
indicator color is yellow.
direct support maintenance to leak check and
evacuate refrigeration system as necessary.
16
During
Compressor
NOTE
(Oil Level
Sight Glass)
The sight glass must not be inspected
when the DEFROST IN PROGRESS
lamp is on.
The sight glass can be viewed looking
through the front bottom panel.
Safe operating level is between 1/4
and 1/2 way up the sight glass.
Inspect the sight glass port for low or high oil
Sight glass port oil level
level and foaming. If oil level is out of safe
above or below safe
operating range or foaming, shut down
operating range or
refrigeration unit and notify direct support
foaming.
maintenance to leak check and add oil to or
remove oil from compressor as necessary.
2-14
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