Troubleshooting Guide - Altrad Bulldog 20-140 Bedienungshandbuch

Problem
Engine stops or will not
start.
Hydraulic Oil Pressure
low.
Accessory Tool running
hot or loose.
Engine speed remains
at idle when tools are
Engine speed remains
at full when off load /
Bypass.

Troubleshooting Guide

Cause
Air cleaner blocked.
Engine malfunctions.
Engine Ignition switch or connecting wires
Hydraulic pump seized.
Bypass lever is in the 'BYPASS' position.
Relief valve set low or worn.
Pump worn or damaged.
Engine power low.
Oil cooler fan damaged.
Hydraulic pump worn or damaged.
Relief valve set low or worn.
Hydraulic oil contaminated.
P.O.D. Cylinder seized in retracted position.
Throttle lever incorrectly set at low speed.
P.O.D. Cylinder seized in extended position. Check cylinder and replace as necessary.
Remedy
Switch on fuel tap.
Refuel.
Clean.
Clean or renew element. Refer to engine manual.
Refer to engine manual.
Top up to correct level. Refer to engine manual for
correct grade.
Check for earth leak, and renew worn or damaged parts.
Renew worn or damaged parts.
Renew pump.
Check relief valve setting and adjust.
Refer to engine manual.
Clean using air blast.
Tighten or renew as necessary
Renew pump.
Check setting and renew as necessary.
Drain oil tank and transmission hoses and replenish with
Check the cylinder and replace as necessary
Reset engine speed and lock throttle lever.
13
GB