Repair manual

Troubleshooting the Steering System RD 27
wc_tx001223gb.fm 82
6 Troubleshooting the Steering System
6.1 Determining Where to Begin
Prerequisites Before replacing any components or performing any troubleshooting procedures,
be sure that:
 The correct hydraulic oil is being used
 The hydraulic reservoir is full
 The articulated steering joint is not locked
If the above criteria are being met and there is still a problem, continue.
Problem
categories
Problems with the steering system can be categorized by the conditions below.
Problem Remedy See Topic
No power assist The problem may be with the steering
pump, the steering cylinder, or the
steering unit (servo). Diagnose the
steering system.
6.2
Chattering/vibration Replace the steering servo valve. 8.4
Machine turns by itself Replace the steering servo valve. 8.4