Specifications

Page Number - 9
CENTRO-MATIC
®
PUMP, MODEL 85471, 85472 & 85473
Form 404064
Asia/Pacic:
51 Changi Business Park
Central 2
#09-06 The Signature
Singapore 486066
Phone [phone]
Fax [phone]
Americas:
One Lincoln Way
St. Louis, MO 63120-1578
USA
Phone [phone]
Fax [phone]
Europe/Africa:
Heinrich-Hertz-Str 2-8
D-69183 Walldorf
Germany
Phone [phone]
Fax [phone]
© Copyright 2009
Printed in USA
Website:
www.lincolnindustrial.com
MODELS 85487 & 86258 TROUBLESHOOTING
CONDITION POSSIBLE CAUSE CORRECTIVE ACTION
Pump does not operate. No electrical power to pump. Turn on or connect24 VDC power.
- Motor Relya Failure Replace Relay
- Motor Overheated Turn power off for 10 minutes and restart.
- Motor tripped out on locked rotor pro-
tection
Remove high pressure or repair cause of
locked pump.
- Broken gearset or shaft. Repair gearbox
- Blown Fuse Replace fuse, check for cause of overload.
Pump motor polarity is reversed. Check to see if red motor lead is wired to
the positive side of the circuit.
Pump runs excessively. Pump tube malfunction. Refer to pump service page.
Outlet check damage or contamination. Repair check or remove contamination.
Vent valve damage or contamination. Repair vent valve or remove contamination.
System component leaking. Repair leaks.
Injector bypassing. Repair injectors.
Pump speeds up or runs er-
ratically.
Low level of grease or reservoir is
empty. Rellreservoir.
Follower plate is stuck and separated
from grease.
Check follower plate and container for dam-
age.
Pump piston or checks are worn. Refer to pump service sheet.
Pump runs, but output is low. Motor speed control set too low.
Turn screw to speed up motor. See pump
service page.
Faulty inlet or discharge check valve in
pump.
Replace faulty components. See pump ser-
vice page.
Lubricant leaking from safety
unloader valve. Pressure of system set too high. Adjust pressure switch setting.
Safety unloader damaged or contami-
nated. Replace safety unloader.