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Page Title:
Table 4-1. Preventive Maintenance Checks and Services |
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 Interval
A - After Operation
M - Monthly
B - Before Operation
Operator
D - During Operation
W - Weekly
Org.
Q - Quarterly
Daily
Item to be Inspected
Reference
Procedure
W
M
Q
B
D
A
1
x
Condenser coil
Clean and service as required.
2
x
Evaporator coil
Clean and service as required.
3
x
Evaporator fan
Check for looseness, vibration. proper
clearance or physical damage.
4
x
fan
Check for looseness, vibration, proper
clearance or physical damage.
5
x
Check during operation for unusual noise or
vibration.
6
x
Place air conditioner in high heat mode and
elements
check operation of all six heaters.
x
Condensate
drains
Disassemble ball check valve and service as
7
required. Insure that condensate is draining
to the base pan of the air conditioner.
8
Liquidline
sight
x
Check glass to insure that there is an adequate
glass
charge and that the refrigerant system is dry
9
Air filter
x
Clean and service as required.
10
Fresh
air
inlet
x
Clean and service as required.
screen
11
x
Condenser
coil
Clean and service as required.
guard
12
Condenser
x
fan
Clean and service as required.
guard
13
Electrical
wiring
x
Inspect for damage and wear.
14
Insulation
x
and
Rep air or replace as required,
gasketing
4-2
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