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TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE ACTION
Motor unable to run,
running slow or getting
hot
1. Fault in line or insufficient
voltage
2. Power wire too thin or long
3. Fault in pressure switch
4. Fault in motor
5. Sticking of main compres-
sor
1. Check the line
2. Replace the wire
3. Repair or replace
4. Repair or replace
5. Check and repair
Sticking of main com-
pressor
1. Moving parts damaged or
stuck by a foreign body
Check crankshaft, bearing,
connecting rod, piston, piston ring,
etc. and replace if
necessary
Shaking or abnormal
noise
1. Connecting part loose
2. Foreign body in the main
compressor
3. Piston knocking the valve
seat
4. Moving parts seriously
worn
1. Check and retighten
2. Check and clean away
3. Replace with thicker paper
gasket
4. Repair or replace
Pressure insufficient
or discharge capacity
decreased
1. Motor running too slow
2. Air filter choked up
3. Leakage of safety valve
4. Leakage of discharge pipe
5. Sealing gasket damaged
6. Valve plate damaged,
stuck or carbon build up
7. Piston ring and cylinder
worn or damaged
1. Check and remedy
2. Clean or replace the cartridge
3. Check and adjust
4. Check and repair
5. Check and replace
6. Replace and clean
7. Repair or replace
PARTS LIST
No. Description Part No No. Description Part
No
No. Description Part
No
1 Motor 905393 27 Washer 905419 1-1 Bolt 905445
2 Plug 905394 28 Screw 905420 1-2 Washer 905446
3 Stopper 905395 29 Washer 905421 1-3 Washer 905447
4 Screw 905396 30 Aluminum Pipe 905422 1-4 Cylinder head 905448
5 Bolt 905397 31 Nut 905423 1-5 Cylinder head
gasket
905449
6 Foot support 905398 32 Washer 905424 1-6 Aluminum gasket 905450
7Drain valve 905399 33 Screw 905425 1-7 Valve 905451
8 Tank 905400 34 Motor cover 905426 1-8 Valve plate 905452
9 Screw 905401 35 On/off switch 905427 1-9 Valve plate gasket 905453
10 Gasket 905402 36 Hook 905428 1-10 Motor assembly 905454
11 Regulator 905403 37 Rear Cover 905429 1-11 Screw 905455
12 Front Cover 905404 38 Screw 905430 1-12 Connecting rod
cover
905456
13 Screw 905405 39 Washer 905431 1-13 Piston ring 905457
14 Quick coupler 905406 40 Check valve 905432 1-14 Cylinder 905458
15 Safety valve 905407 41 Pressure switch 905433 1-15 Screw 905459
16 Elbow 905408 42 Wire 905434 1-16 Washer 905460
17 Gauge 905409 43 Wire 905435 1-17 Fan 905461
18 Ring 905410 44 Terminal 905436 1-18 Bearing 905462
19 Pipe 905411 45 Electric board 905437 1-19 Connecting rod 905463
20 Handle 905412 46 Screw 905438 1-20 Crankshaft 905464
21 Washer 905413 47 Cable tie 905439 1-21 Belt 905465
22 Bolt 905414 48 Bushing 905440 1-22 Bearing 905466
23 Cushion 905415 49 Screw 905441 1-23 Washer 905467
24 Air filter 905416 50 Nut 905442 1-24 Gasket 905468
25 Elbow 905417 51 Washer 905443
26 Gasket 905418 52 Pipe 905444
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