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6

Hoyer

®

 

Switch

Brake Pedal/Pad

Removal

1. 

Unscrew the right hand brake lever M8 domed securing nut using a 14mm A/F combination wrench.

2.  Withdraw the brake lever, brake lever securing bolt, nylon bush and brake pad spring from the hole in 

the base.

3. 

Remove the retaining circlip from the rear of the right hand brake pad spindle using a large (7mm) flat 

blade screwdriver.

Replacement
NOTE:

 Prior to re-assembly of the brake pedal, the red and green decals must be affixed in the 

appropriate positions on the brake pedal.
1.  Insert the brake pad spindle through the brake pad, ensuring correct orientation.
2.  Position the nylon spacing bush onto the brake pad spindle, ensuring the smaller diameter is 

immediately adjacent to the rear of the brake pad.

3.  Insert the brake pad spindle through the appropriate hole in the base.
4. 

Fit the retaining circlip to the rear of the brake pad spindle, ensuring it locates securely in the groove.

5.  Position the brake pad spring behind the brake pad and align the hole with the corresponding hole in 

the base - see illustration below.

6.  Insert the brake pedal securing bolt through the square hole in the brake pedal, ensuring correct 

orientation.

7.  Insert the nylon spacing bush onto the brake pedal securing bolt, ensuring correct orientation. i.e. the 

larger diameter head should be immediately adjacent to the brake pedal.

8.  Insert the brake pedal securing bolt through the hole in the brake pad spring and the hole in the base.

 NOTE: 

Ensure the square shank of the securing bolt locates correctly in the square hole in the brake  

 pedal.
9. 

Fit the M8 brake pedal domed securing nut to the brake pedal securing bolt and tighten to 20Nm using 

a 14mm A/F combination wrench.

  Repeat the ‘Brake Pedal/Pad Removal/Replacement’ procedure for the left hand brake pedal.

 

WARNING

Ensure the brakes operate correctly before returning the Hoyer Switch to service.

Summary of Contents for Hoyer

Page 1: ...Service Manual Hoyer Switch ...

Page 2: ...2 Hoyer Switch Contents Inspection Criteria 3 Service Repair Schedule 4 Torque Settings 8 Notes 10 ...

Page 3: ...ters and Wheels Check all casters and wheels for firm attachment to the base Check for free rotation of the wheels and the casters swivel Check for excessive wear cracking or splits on the center wheel outer tread and the corner caster wheels Where possible remove any build up of threads hair or fibers Lubricate the swivel and axle bearings if necessary with a light mineral based grease or food gr...

Page 4: ...ht hammer Replacement 1 Insert the M10 retaining stud through the square hole in the base NOTE Ensure the square shank of the retaining stud locates correctly in the square hole in the base 2 Tap the M10 retaining stud into the base using a medium weight hammer 3 Unscrew the caster spindle of the replacement corner caster using 2 off 10mm A F combination wrenches 4 Withdraw the spindle from the ca...

Page 5: ...a 6mm hex key 5 Replace the frame as detailed in the Frame Replacement procedure Frame Removal 1 Unscrew both frame securing knobs by rotating counter clockwise until they disengage from the threaded retaining supports on the base 2 Withdraw the securing knobs from the frame 3 Withdraw the frame from the retaining supports on the base Replacement 1 Insert the frame into the retaining supports on t...

Page 6: ...g circlip to the rear of the brake pad spindle ensuring it locates securely in the groove 5 Position the brake pad spring behind the brake pad and align the hole with the corresponding hole in the base see illustration below 6 Insert the brake pedal securing bolt through the square hole in the brake pedal ensuring correct orientation 7 Insert the nylon spacing bush onto the brake pedal securing bo...

Page 7: ...ure 4 Assemble the frame to the base as detailed in the Frame Replacement procedure Knee Pad Sliding Section Removal 1 Remove the frame as detailed in the Frame Removal procedure 2 Pull the 2 off knee pad positioning spring loaded quick release pins outwards whilst simultaneously pulling the knee pad sliding section off the frame Replacement 1 Correctly orientate the knee pad sliding section pads ...

Page 8: ...pad positioning spring loaded quick release pin from the knee pad sliding section using an 8mm A F combination wrench Replacement 1 Assemble the knee pad positioning spring loaded quick release pin to the thread on the knee pad sliding section 2 Tighten to 10Nm using an 8mm A F combination wrench ...

Page 9: ...screws to 10Nm 4 places Tighten the knee pad spring loaded quick release pins to 10Nm 2 places Tighten the caster spindle securing nut to 20Nm 4 places Tighten the corner caster securing nut to 25Nm 4 places Tighten the center wheel securing nut to 25Nm 2 places Tighten the brake pedal securing nuts to 20Nm 2 places ...

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