Fault Phenomenon: BT RRE140 reach truck steering wheel is extremely heavy when turning in place, accompanied by a whining sound, steering speed very slow.

Troubleshooting Process:
– Checked power steering fluid level: level normal.
– Checked steering pump belt: belt loose and slipping.
– Checked steering cylinder: no internal leakage.
– Measured steering system pressure: pressure low.

Root Cause: Steering pump belt slipping causes insufficient pump speed, or internal wear of the steering pump.

Required Parts: Steering pump belt or steering pump assembly.