Table 2-1. Operator Preventive Maintenance Checks and Services
If the equipment must be kept in continuous operation, do only the procedures
that can be done without disturbing operation. Make complete checks and
services when the equipment Is shutdown.
Item to Check/
Not Fully Mission
Thermometer should indicate refrigerator
Thermometer does not
enclosure temperature. If it does not, notify
unit maintenance to replace it.
Inspect the thermometer for cracked or
missing lens and loose or missing mounting
hardware. If damaged or loose, notify unit
maintenance to tighten or replace it as
High voltage and exposed rotating parts are
contained in the refrigeration unit. Personal injury
can result if power is connected with doors open.
Inspect sight indicator port for cracks and
Sight indicator port is
note center indicator color. If cracked or
cracked or center indicator
yellow, notify direct support maintenance to
color is yellow.
replace it or evacuate the refrigeration
system as necessary
Inspect the sight indicator for evidence of
Evidence of leak is found.
refrigerant leak If evidence of leaking found,
notify direct support maintenance to replace
Inspect the V-belt for frayed edges, cracks, glazing,
V-Belt is frayed, cracked,
or hard brittle condition. Inspect for excessive
glazed, or hard and brittle.
looseness or slippage. If damaged or loose, notify
V-Belt is excessively loose
unit maintenance to tighten or replace it as