641 Chair Foot Extension Troubleshooting
This illustration highlights the mechanical components of the foot extension latch mechanism.
The weight capacity of the foot extension is 120 lbs (54.4kg). Exceeding this limit may result in equipment damage.
Latch Mechanism
When either foot extension release handle is pressed, the associated linkage retracts the locking pin. When the locking pin disengages the receiver block, the foot extension will move freely. When the foot extension is moved to either of the two locking positions - extended / stowed, spring pressure engages the locking pin into the receiver block.
Foot Extension Limit Switch
The foot extension limit switch does not affect the mechanical function of the foot extension. A faulty switch may affect any / all of the following chair functions: Base Down, Tilt Down, Foot Down
Problem: Foot extension will not lock in place or Foot extension will not release.
The weight capacity of the foot extension is 120 lbs (54 kg). Exceeding this limit may result in equipment damage.
1.Inspect Latch Mechanism. Remove any debris, replace damaged / faulty components Refer to: Foot Extension and Limit Switch
