Troubleshooting Guide - OTC 9106B Lista De Partes E Instrucciones De Funcionamiento

Parts List & Operating Instructions
IMPORTANT: The following troubleshooting and repair procedures must be performed by qualified
personnel familiar with this equipment and using the correct tools.
All the following statements may not apply to your particular model. Use the guide as a general reference
NOTE:
for troubleshooting.
Trouble
Pump losing pressure
Handle rises after each stroke
Pump not delivering fluid
Pump does not reach full
pressure
Pump handle can be pushed
down (slowly) without raising
the load
Pump handle operates with a
spongy action
* SPX recommends these hand pump repairs be performed by an Authorized Hydraulic Service Center. Locate the Service Center nearest you
on the SPX web site: www.otctools.com.

Troubleshooting Guide

Cause
1. System components leaking.
2. Directional control valve leaks or not
adjusted correctly.
3. Fluid leaking past outlet check seat(s)
1. Fluid leaking past outlet check seat(s).
1. Low fluid level in reservoir.
2. Intake filter is dirty.
3. Seats worn and not seating correctly.
1. Low fluid level in reservoir.
2. System components leaking.
3. Directional control valve leaks or not
adjusted correctly.
4. Incorrectly adjusted relief valve.
5. Fluid leaking past inlet or outlet checks,
or high pressure piston seal damaged.
1. Inlet checks are not seating.
2. Damaged piston assembly or piston
seals leaking.
1. Air trapped in system.
2. Too much fluid in reservoir.
Form No. 544306, Sheet 3 of 3, Back
Solution
1. Repair or replace as necessary.
2. Reseat, repair, or replace directional control
*
assembly and correctly adjust.
3. Check for dirt. Reseat pump body and/or
*
replace poppet(s) or ball(s).
1. Check for dirt. Reseat pump body and/or
*
replace poppet(s) or ball(s).
1. Check fluid level per instructions.
2. Remove reservoir and clean filter.
3. Repair seats or replace pump body.
*
1. Check fluid level per instructions.
2. Repair or replace as necessary.
3. Reseat, repair, or replace directional control
*
assembly and correctly adjust.
4. Readjust.
*
5. Reseat or repair inlet or outlet checks, or
*
replace high pressure piston seal.
1. Check for dirt and/or reseat valve seats.
*
2. Replace piston assembly and/or piston seals.
*
1. Position cylinder lower than pump. Extend and
return cylinder several times. Follow bleeding
instructions.
2. Check fluid level per instructions.