
ld  | :(0]  | II  | : II:l"l_'[*Ia]l  | d I_ [{glm | 
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PROBLEM | 
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  | POSSIBLE  | CAUSE | 
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  | POSSIBLE | SOLUTION | 
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Abnormal  | piston,  | ring or  | 1  | Lubricant  | viscosity  | too tow  | 
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  | 1  | Drain  | existing  | lubricant  | and  | refill with proper  | lubricant  | ||||||||||||
cylinder  | wear  | 
  | 2  | Lubricant  | level  | too  | law  | 
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  | 2,  | Add  | lubricant  | to crankcase  | to proper  | levet  | 
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  | 3  | Detergent  | type  | lubricant  | being  | used  | 
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  | 3  | Drain  | existing  | lubricant  | and  | refill with  | proper  | lubricant  | |||||||||
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  | 4  | Cylinder(s) | or piston(s)  | 
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  | 5  | Extremely  | dusty atmosphere  | 
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  | 5  | Install  | remote  | air  | inlet piping  | and  | route to source of cleaner  | |||||||||||
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  | 6  | Worn  | cylinder  | finish  | 
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  | air  | Installmore effective  | filtration  | 
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  | 6.  | Det'_lezecylinder  | with  | 180 grit   | 
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Air  | delivery drops  | off  | 1  | Ctogged  | or dirty inlet and/or discharge  | line fitter  | 1  | Clean  | or reptace  | 
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  | 2  | Atr leaks  | tn air | discharge  | piping  | 
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  | 2  | Check  | tubing  | and  | eonnecttonm  | 
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  | 3  | Lubricant  | viscosity  | too  | high  | 
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  | 3  | Drain  | existing  | lubricant  | and  | refIlf  | with  | proper  | lubricant  | |||||||
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  | 4  | Compressor  | valves  | leaky, broken,  | carbonized  | or Ioose.  | 4  | tnspect valves  | Clean  | or  | replace | as required | Installvalve kit  | ||||||||||||
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  | 5  | Piston  | rings  | damaged  | or worn  | (broken.  | rough  | or scratched)  | 5  | Install  | ring kit  | 
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  | Excessive  | end gap or side clearance  | 
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  | 6  | Adjust  | piston rings | 
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6Piston rings not seated, are stuck In grooves or end gaps not 7 Repair or replace as required
staggered,  | 8 Replace  | 
7Cylinder(s) or piston(s) scratched_ worn or scored
8.Defective safety/relief vatve.
U_it does  | not  | come  | up  | to  | 1  | Loose  | beltwheel  | 
  | or motor  | pulfey,  | excessive  | end play  | in  | t  | Check  | beflwheel,  | motor  | pulley,  | crankshaft, drive bett ter_sSen  | ||||||||||||||||||||||||||||
speed  | 
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  | motor shaft or loose drive belts  | 
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  | and alignment,  | 
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  | 2.  | Lubricant  | viscosity  | tea  | high  | 
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  | 2  | Drain  | existing | lubricant  | and  | retill  | wilh  | proper  | lubricant  | 
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  | 3  | Improper  | line voltage  | 
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  | 3.  | Check  | line  | voltage and upgrade  | lines  | as  | required  | Contact  | ||||||||||||||||||||
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  | 4  | Compressor  | valves  | leaky,  | broken,  | carbonized  | or loose  | 
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  | S,  | Defective  | bait bearings  | on crankshaft  | 
  | or  | motor  | shaft  | 
  | 4  | Inspect  | valves,  | 
  | Clean  | or replace  | as  | required  | 
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  | Install  | valve  | kit  | 
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  | 5  | Inspect  | bearings  | and replace  | 
  | crankshaft  | assembly  | If  | 
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Unit ts slow Io  | come up  | to  | 1  | Lubricant  | vtscosttytoo  | 
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  | I  | Drain  | existing  | lubricant  | end  | refiltwith  | proper  | lubricant  | 
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speed  | 
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  | 2,  | Leaking check  | valve or  | check valve seat blown out  | 
  | 2  | Replace  | check  | 
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  | 3,  | Ambient  | 
  | temperature  | too  | low  | 
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  | 3  | Relocate  | unit  | to warmer  | environment  | 
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  | 4  | Bad motor  | 
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  | Install  | crankcase  | healer | kit  | 
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  | 4.  | _lace.  | 
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Unit runs excessively  | hot  | 1,  | Inadequate  | venlilation  | 
  | around  | bettwheel  | 
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  | 1  | Relocate  | unit  | for belier  | air  | now  | 
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  | 2  | Drive belts  | Ioo  | tight  | or misaligned  | 
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  | 2  | Adjust  | belts  | 
  | to proper  | tension  | and  | alignment  | 
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  | 3,  | Compressor  | valves  | leaky,  | broken,  | carbonized  | or loose  | 3  | Inspect  | valves  | 
  | Clean  | or  | replace  | as required, Install valve kit  | |||||||||||||||||||||||||||
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  | 4,  | Wrong  | beltwheel  | direction  | of rotation  | 
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  | 4  | Cheek  | motor  | wiring for  | proper  | connections | Reverse  | two  | |||||||||||||||||||||||
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Excessive  | noise  | durtng  | 
  | 1,  | Loose  | beltwheel  | 
  | or motor  | pulley,  | excessive  | and play  | In  | t  | Check  | beltwheal,  | motor  | pulley,  | crankshaft, drive  | belt  | tension  | |||||||||||||||||||||||||||
operation  | 
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  | 2,  | meter shaft or loose drive belts  | 
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  | and alignment  | 
  | Repair or replace as required,  | 
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  | Lubricant  | viscosity  | too  | high  | 
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  | 2  | Drain  | existing  | lubricant  | and  | refill  | wilh  | proper  | lubricant  | 
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  | 3,  | Lubricant level  | too few  | 
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  | 3  | Add lubricant  | 
  | to crankcase  | 1oproper  | level  | 
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  | 4  | Compressor  | valves  | leaky,  | broken,  | carbonized  | or loose  | 4  | Inspect  | valves,  | 
  | Clean  | or  | replace  | as  | required | 
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  | 5,  | Carbon  | 
  | on  | top  | of  | piston(s)  | 
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  | Install  | vatve  | kit  | 
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  | 6,  | Defective  | ball bearings  | on crankshaft  | 
  | or  | motor  | shaft  | 
  | 5  | Clean  | piston(s)  | 
  | Repair  | or  | replace  | as  | required  | 
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  | .7  | Leaking  | 
  | check  | valve  | or  | check  | valve  | seat  | blown  | out  | 
  | 6  | Inspect  | bearings  | end replace  | 
  | crankshaft  | ascambly  | if  | 
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  | 7.  | Replace  | check  | 
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Excessive  | starting  | and  | 
  | t  | Air leaks  | te ai_r discharge  | piping  | 
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  | 1  | Check  | tubing  | 
  | and connections | 
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stepping  | 
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  | 2  | Pressure  | switch  | 
  | differential  | too narrow  | 
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  | 2  | Adjust  | pressure  | switch  | to  | increase  | 
  | differential  | if differential  | ||||||||||||||||||||||
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  | 3  | Leaking  | check  | valve or check  | valve  | seat  | blown  | out  | 
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  | adjustment  | ls  | provided  | 
  | tnstatl  | pressure  | switch  | with  | 
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  | 4  | Excessive  | condensate  | 
  | tn receiver  | tank  | 
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  | differential  | adjustment  | feature  | tf differential  | adjustment  | is  | |||||||||||||||||||||||||
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  | 3  | Replace  | cheek  | valve  | 
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  | 4.  | Drain  | receiver  | tank with manual  | drain  | valve,  | 
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High ellconsumption  | 
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  | t  | Clogged  | or  | dirty  | inlet  | and/or discharge  | llne  | triter  | 
  | 1  | Clean  | or replace  | 
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  | 2  | Lubricant viscosity toolow  | 
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  | 2,  | Drain  | existing  | lubricant  | and  | refill  | w_th proper  | lubricant  | 
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  | 3  | Detergent  | type  | 
  | lubricant  | being  | used | 
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  | 3  | Drain  | existing  | lubricant  | and  | refill  | with proper  | lubricant  | 
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  | 4  | Piston  | flags  | damaged  | or worn  | (broken.  | rough  | or scratched)  | 4  | Install  | ring  | kit  | 
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  | Excessive  | end gap or side clearance  | 
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  | 5,  | Adjust  | piston  | rings  | 
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5Pislon rings not seated, are stuck tn grooves or end gaps not 6 Repair or replace as required
  | staggered  | 
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  | 7  | Inspect  | all Repair or replace  | as required  | |
6  | Cylinder(s)  | or piston(s)  | scratched, worn  | or scored  | 8  | Replace  | seal or  | crankshaft assembly  | |
7  | Connecting  | red, piston  | pin or crankpin  | bearings worn or  | g  | Deg_aze  | cylinder  | wlth 180 grit  | |
scored
B Crankshaft seat worn or crankshaft scored 9 Worn eytinderftnish