Hub

Within this section it will explain the correct procedure on removing and reinstalling the Hub for servicing procedures or replacement.

When performing a hub change, ensure to fully extend the lift tape prior to turning off the hoist power, this will allow quicker removal.

Removal

Step 1 – Remove external covers from the Hoist. (Refer to section 9.1)

Step 2 – Remove the PCB from the Hoist. (Refer to section 9.2)

Step 3 – Remove the Handset Wiring Cable from the Hoist. (Refer to section 9.12)

Step 4 – Remove Bottom QRS Hook from the Hoist. (Refer to section 9.5)

Step 5 – Remove Bottom Cover from Hoist. (Refer to section 9.6)

Step 6 – Remove the Lift Tape from the Hoist. (Refer to section 9.9)

Step 7 – Remove Motor A from the Hoist. (Refer to section 9.4)

Step 8 – Remove Motor A Motor Shaft from the Hoist. (Refer to section 9.10)

Step 9 – Using a 4mm ball point Allen Key, remove the two over speed screws. (Arrowed)

Step 10 – Remove the strap pin.

Step 11 – Slowly guide the Hub out of the Chassis. (As shown below)

Refitting / Replacement

Step 12 – Refitting is a reversal of the removal process noting the following point:

A. If replacing hub, grease with Morris Grease – K42EP multi-purpose.

B. When inserting the Hub back into the Chassis make sure the orientation is correct. The Over-Speed Cam must face the Chassis face with the Over-Speed Cam screws.