Durapac RFJ Series, Instruction Manual, Page: 8 / 12

Instruction Manual
RFJ Series SA Flat Cylinders - V1.6 www.durapac.com Page 8 of 12
Problem Cause Solution
Pump not operating

Check pump’s operating instructions
Load is above the
capacity of the system

Use the correct equipment
Cylinder extends only
partially Low or no hydraulic
fluid in pump reservoir

Fill and bleed the system
Load is above the
capacity of the system

Use the correct equipment
Sticking or binding
cylinder

Check for dirt or leaks

Check for bent, misaligned, worn parts or
defective packings
Cylinder moves
slower than normal Loose couplers

Tighten couplers
Restricted hydraulic line
or fitting

Clean

Replace if damaged
Pump not operating
correctly

Check pump’s operating instructions

Repair or replace as necessary
Low fluid level in pump
reservoir

Fill and bleed the system
Leaking cylinder seals

Replace worn seals

Check for excessive contamination or wear

Replace contaminated fluid as necessary