Northern Industrial JPC-80 User Instruction Manual Download Page 14

 

13 

 

11. Troubleshooting 

Please check the list below before addressing the problems to servicing personnel including local dealer. If the 

problem continues after the following troubleshooting, please call your local dealer for future assistance.   

Failure 

Possible Cause 

Remedial Measure 

Poor  performance 

(Plate 

compactor 

does not develop its 

full speed.) 

- The engine throttle does not open completely. 

- The throttle does not adjusted correctly. 

- The ground is too wet for compacting. 

- Drive belt is loosened or worn out, slipping on 

pulleys.   

- Vibrating shaft bearings (#19) is binding.   

 

-  Air  filter  is  clogged  with  dust  which  reduces 

engine performance.   

- The engine speed is too low.   

- Open the engine throttle completely. 

- Adjust the throttle controller correctly. 

- Dry the soil before compacting.   

-  Adjust/replace  the  belt.  Or  check  whether 

the engine mounting bolts are tightened.   

-  Check  the  condition  &  the  level  of  the  oil  in 

vibrator housing, and add/change the oil. 

- Clean/replace the air filter cartridge. 

 

-  Check  the  engine  speed  with  tachometer 

and  adjust/repair  the  engine  to  run  at  correct 

speed.   

Note: Refer to the engine manual. 

Engine  is  running 

but no vibration 

- The engine throttle is not opened. 

 

- Clutch is damaged.   

- Engine speed is too low.   

 

- The drive belt is loosened or broken. Adjust/ 

replace it. 

- Inspect/replace the clutch.   

-  Too  much  oil  in  the  exciter.  Adjust  the  oil 

level in exciter. 

Plate 

jumps 

or 

compacts unevenly. 

- The ground surface is too hard. 

- Rubber isolator is loosened or damaged. 

 

- Adjust/replace the rubber isolator.   

 

Summary of Contents for JPC-80

Page 1: ...0 USER S INSTRUCTION MANUAL FOR PLATE COMPACTOR MODEL JPC 80...

Page 2: ...r the following symbols as important remarks for the operation and maintenance Indicates the warnings which must be precisely followed in order to prevent the plate compactor from being damaged or des...

Page 3: ...3 2 Precautions 3 3 Warnings 3 4 Safety label locations 6 5 Specifications 7 6 Engine 8 7 Operation 9 8 Transportation 11 9 Storage 12 10 Periodic Maintenance Schedule 13 11 Troubleshooting 13 12 Comp...

Page 4: ...ONE OF THE PLATE COMPACTOR 5 DO NOT OPERATE THE PLATE COMPACTOR IN AN ENCLOSED AREA because its engine produces carbon monoxide gas 6 STOP THE ENGINE COMPLETELY AS DESCRIBED IN THIS MANUAL BEFORE SERV...

Page 5: ...nger zone 5 Operate the plate compactor away from other workers because cracked and bounced rock may injure other workers 6 The operator has to give warning signs in case of an emergency situation 7 T...

Page 6: ...peration it may break your hand or finger 19 Sprinkle the water on the working area to avoid dust before operating but NEVER operate the plate compactor if the working area is too wet because it may d...

Page 7: ...6 4 Safety Label Locations...

Page 8: ...WEIGHT kg 86 PLATE SIZE mm 540 X 420 TRAVEL SPEED m min 20 25 CENTRIFUGAL FORCE kgf 1 800 ENGINE As required ENGINE OIL 10W 30 600CC FUEL Unleaded Gasoline KW HP RPM 4 0 4 5 5 5 6 0 3 600RPM VIBRATOR...

Page 9: ...l containing water or dirt will damage the fuel system Consult to engine owner s manual for complete fuel specifications 6 2 Before starting 1 Read and understand the safety and operating instruction...

Page 10: ...nutes for warm up 6 Open the throttle fully to operate plate compactor 6 4 Stopping the Engine 1 Reduce the engine RPM to idle by moving throttle completely to the right 2 Shift the engine On Off swit...

Page 11: ...the starter rope in direction of arrow 7 After starting Open the chock and allow engine to warm up at slow speed for 5 minutes 8 Shift the speed control lever towards high position in direction of arr...

Page 12: ...transport the plate compactor with fuel in its fuel tank by the motor vehicle Never lifting the plate compactor by a person especially when to put it on and off from the transporting vehicle it may i...

Page 13: ...l level Inspect the fuel lines Inspect the air filter and replace it if needed Check and tighten the external hardware After the first 20 operating hours Check and adjust the drive belt Change the eng...

Page 14: ...ed is too low Open the engine throttle completely Adjust the throttle controller correctly Dry the soil before compacting Adjust replace the belt Or check whether the engine mounting bolts are tighten...

Page 15: ...14 12 Components and Part list...

Page 16: ...t 1 12 x 20m m 12 Spring Washer 1 12m m 13 Washer 1 12m m 14 Pulley 1 15 Housing Cover A 1 16 O Ring 2 G80 17 Oil Seal 1 32 x 48NOK 18 Bearing 2 6307OP 19 Key 1 20 Vibrating Shaft 1 21 Housing Cover F...

Page 17: ...38 Catching Rubber 2 39 Nut 2 40 Bolt 2 12 x 70m m 41 Washer 4 12m m 42 Rubber Isolator B 2 43 Lock Nut 2 12m m 44 Handle Bracket 1 780 x 375m m 45 Bolt 1 46 Handle 47 Speed Control Bar 48 Speed Contr...

Page 18: ...g the period of warranty Product Warranty period Remarks Concrete vibrator Handy vibrator Portable engine vibrator Submersible pump High cycle eccentric vibrator 6 six months under normal operation fr...

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