Use and Care Manual
TROUBLESHOOTING GUIDE:
Tank pressure drops when
compressor(s)shutoff
1.Loosedraincock
2.Checkvalveleaking
3.Looseconnections
1. Tighten drain cock
2.Replacecheckvalveor
compressor
3. Check all connections with
soap and water solution
and tighten
Compressor runs
continuouslyandairow
lower than normal
1.Excessiveairusage
2.Looseconnections
3.Wornpistonringorinletvalve.
4.Cloggedairlterelement
1. Decrease air usage
2. Check all connections with
soap and water solution
and tighten.
3.Replacecompressor
4.Replaceairlterelement
Compressor runs
continuously causing
safetyvalve(ifequipped)
to open
1.Faultypressureswitch
2.Defectivesafetyvalve
1.Replacepressureswitch
2.Replacesafetyvalve
Excessivemoisturein
discharge
1.Excessivewaterinairtank
2.Highhumidity
1.Draintank,tilttanktodrain.
Draintankmorefrequently
2.Movecompressortoarea
withlesshumidity,oruse
water separator
Compressor will not run 1.Nopower,orpowerswitch
inOFFposition
2. Blown fuse
3.Faultypressureswitch
(ifhookeduptoa
pressureswitch).
1.Makesurecompressor
switchisON
2. Disconnect compressor
frompowersource,replace
fuse.(RefertoSpecications
section for correct
fuseamperage)
3.Replacepressureswitch
Excessiveknocking
or rattling
1.Loosemountingbolts
2. Worn bearing on eccentric or
motor shaft
3. Cylinder or piston ring is worn
1. Tighten bolts
2.Replacebearingor
piston assembly
3.Replacepistonorcompressor
CAUTION: NEVER DISASSEMBLE COMPRESSOR WHILE
COMPRESSOR IS PRESSURIZED.
USER MANUAL
90C - 92C - 95C Air Compressor Kit
PROBLEM: POSSIBLECAUSE(S) CORRECTIVEACTION