MAINTENANCE INSTRUCTIONS
19
ENGLISH
*If fiberglass filters used, replace it yearly.
Belt
Preventive maintenance schedule
NOTE
Always observe for abnormal noise or vibration.
Disconnect power supply and allow all rotating parts to stop before servicing the unit.
CAUTION
!
Belt Type
Belt Cross
Section
Small Pulley
Pitch DIA.(P.D.) Range
Deflection Force-LBS.
Minimum
Maximum
-
3 L
1.25 - 1.75
2 - 2.25
2.5 - 3
1/2
5/8
3/4
5/8
7/8
1-1/8
A
4 L
2.1 - 2.8
3 - 3.5
3.7 - 5
1-1/8
1-1/2
1-7/8
1-5/8
2-1/8
2-5/8
B
5 L
3 - 4.2
4.5 - 5.2
2
2-3/8
2-7/8
3-3/8
ITEM
Frequency of Maintenance,
Month ITEM (First 4 Years)
6
12
Clean air filter (Aluminum)*
X
Pressure wash condenser & cooling coil as required
X
Check blower belt, tension, wear tear / replace if required
X
Check alignment of pulleys
X
Clean drain pan, drain pipe
X
Clean blower wheel
X
Check for loose bolts/screws & tighten as necessary
X
Check all electrical controls, components, wiring terminals, tec…,
for sparks, over heat, loose connections / repair or correct
X
Check for rusted / paint
X
Check all temperature, pressure readings as applicable and satisfy
the operation performance
X
Run test all motors and check the amperage
X
Grease / oil as required
X
Check vibration isolators
X
Clean and fix thermal bulbs in the correct location. Insulate it.
X
Check canvass connections, insulation damage
X
Maintenance tools / equipment required
- Standard : Screw drivers (Slot & Phillips), adjustable wrenches, pliers, refrigeration wrenches &
socket set wrenches, pulley puller, etc.
- Special : Manifold gauge set, charging cylinder, belt tension checker, leak detector, vacuum
pump with electronic gauges, Thermometer, hook type ammeter/voltmeter/ohmmeter
and oxy-acetylene brazing set etc.
Summary of Contents for AK-C3608H00
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