User Manual

15P Series
Possible Cause Corrective Action
UNIT HAS NO/LOW POWER
Engine speed low Adjust to correct rpm setting
Control linkage bent, loose or out of adjustment Repair or replace vehicle linkage
Drive belt slipping or pulley damaged Repair or replace drive belt or pulley
Oil level low or contaminated oil Fill reservoir to proper level or change oil
Excessive loading Reduce vehicle load
Bypass loose Tighten pump bypass per External Maintenance
step 9, page 17
Air trapped in hydraulic system Purge hydraulic system per Purging Procedures
on page 18
Inlet leak Check all external lines and connections to pump
inlet
Inlet lter clogged Replace inlet lter
Suspected internal damage Check pump by performing Flow Test on page 15
UNIT OPERATING HOT
Debris buildup Remove debris from pump and fan
Cooling fan or heat exchanger damaged Repair or replace cooling fan or heat exchanger
Oil level low or contaminated oil Fill reservoir to proper level or change oil
Excessive loading Reduce vehicle load
Air trapped in hydraulic system Purge hydraulic system per Purging Procedures
on page 18
Inlet leak Check all external lines and connections to pump
inlet
PUMP LEAKS OIL
Damaged seals and gaskets Remove debris, replace seals
Air trapped in hydraulic system Purge hydraulic system per Purging Procedures
on page 18