yellow jacket BULLET X - Page 9

9
Diagnostics Chart continued
Condition Pump Area Possible Problem Solution
Unusually
Noisy
Motor areas
Worn motor
Losse motor bolts
Drive coupling
Replace motor
Tighten bolts
Adjust/replace coupling
Pump cartridge
Dirt, low, improper oil
Air leaks:
1. Caps/connections
2. Gaskets/O-rings
3. Fittings
4. System leak
Flush and replace oil
Tighten
Replace/put on oil
Replace/reseal
Isolate pump with blank-off
Value and repair system leak
High
Temperature
Motor Low voltage
Use properly sized extension
cord
Pump
Dirty oil
Low oil
Parts friction
Too small for system
Air leaks
Flush and replace
Add/replace
Replace oil/call factory
Size pump for system
Replace/repair