Howard M9 - Foot End Elevator

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Technical Service Manual M9 Transfer Stretcher (M999-29, Version 11, June 2021) 29

7. SERVICE INSTRUCTIONS

FOOT END ELEVATOR

Summary:

This service instruction outlines the procedure to replace the foot end elevator.

Tools Required:

• 4mm hex key

• 5mm hex key

• 8mm hex key

• torque wrench

• 13mm spanner

• side cutters

• supports

• mallet

Parts Required:

• 2x elevator plugs

• 1x foot end elevator

• 1x standard cable tie

• grease - Shell Cassida Grease EPS 2 or equivalent

• adhesive - Permabond 791 or equivalent (superglue)

• threadlock - Loctite 243 or equivalent

Location:

The foot end elevator is located at the foot end (FE) of the stretcher, connecting the deck to the bogie (see

Figure 12).

CAUTION: When reattaching the earth cable, care should

be taken to ensure correct orientation.

WARNING: Do not attempt to perform any servicing

unless the deck is fully supported.

Procedure:

1. Raise the deck to the maximum height position. Ensure

the deck is ﬂat and apply castor brakes.

2. Lower the deck until all the HI-LO actuator shoulder

bolts have enough clearance to be removed.

3. Unplug the stretcher from the mains supply.

4. Remove the plastic bogie cover and set aside.

5. Safely support both ends of the deck, ensuring the

supports take the full weight.

6. Remove the cable tie securing the earth cable to the

elevator axle (A), then disconnect using a 4mm hex

key.

Figure 12. Foot end elevator