Cannot lower

• Checking method:

  1. Rule out below conditions: (These problems can be easily repaired)

  A. The load wheels are stuck when truck is used to move a closed pallet

  B. Load wheel frame is rusty, remove the rust

  C. Unknown mechanical interference at parts like push rod, connecting frame, rocker arm.

  Remarks: when lifting limit switch has fault and truck is lifted to maximal height, there will be mechanical interference causing no lowering. If someone stands on it, forks can be lowered.

  2. Press the lowering button and see if light of lowering solenoid valve is on