Pumptec 356U SERIES - Manual (Page 9)

9 Version 061113
Pumptec Operating Instructions and Parts Manual PUMP SERIES 348U | 350U | 356U
PrEVENtiVE mAiNtENANCE CHECkLiSt
Check Daily Weekly 50 Hrs. 500
Hrs.
1500
Hrs.
3000
Hrs.
Clean Filters X
Water leaks X
Descale Pump X X
Cam & bearing X X
Seal Change X X
Valve Change X X
trOUBLESHOOtiNg CHArt
SymPtOm POSSiBLE CAUSE(S) correctIVe ActIoN
no water flow 1. Tank is empty or water is not turned on 1. Fill tank or turn on water supply
2. Filter clogged 2. Clean filter
3. Pump valves clogged or damaged 3. Examine valves and clean or replace
4. Pump has lost prime 4. Follow priming procedure
Low pressure 1. Worn nozzle 1. Replace nozzle with new one of same
size
2. leak in high pressure hose or connections 2. Check hose and connections
3. Filter clogged 3. Clean filter
4. Pump valves clogged or damaged 4. Examine valves and clean or replace
Pump pulsates when spraying 1. Filter clogged 1. Clean filter
2. Pump valves clogged or damaged 2. Examine valves and clean or replace
Motor does not operate 1. blown fuse or circuit breaker 1. Replace circuit breaker or fuse. Check circuit
for wire damage or component damage
leaks seen under pump 1. Worn pump seals 1. Replace with new plunger and seals
2. Abrasives in solution have damaged pump
seals
2. Mix chemical thoroughly and improve filter
Regulator leaks fluid from cap 1. Pressure is set too low 1. Set pressure higher to keep internals from
moving too much
2. Replace seal
For Repair Parts, call 763-433-0303
Please provide following information:
-Model number
-Serial number (if any)
-Part description and number as shown in parts list