12 Technical Service Manual M9 Transfer Stretcher (M999-29, Version 11, June 2021)
6. MAINTENANCE & SERVICING
6.4 BATTERY REPLACEMENT
CAUTION: The battery is of sealed lead-acid (SLA) type and should be disposed of safely so as not to cause
damage to the environment.
The life of the battery will depend on the use that it has had. As a guide, it should be replaced every four years.
6.5 CONTROL BOX INITIALISATION
FOR STRETCHERS BUILT BEFORE JUNE 2015
To Reset Control Box:
Using the handset, press and hold both the DECK UP and DECK DOWN buttons simultaneously.
The control box will beep 10 times. When the beeping stops, the control box is reset.
After a reset, using the handset, you must raise the deck to full height.
FOR STRETCHERS BUILT AFTER JUNE 2015
To Reset Control Box:
Using the handset, press and hold both the DECK UP and DECK DOWN buttons simultaneously.
The control box will beep 10 times. When the beeping stops, the control box is reset.
After a reset you must initialise the control box.
To Initialise Control Box:
Using the handset, press and hold down the top two buttons (BACKREST UP AND BACKREST DOWN).
When the stretcher stops moving and the beeping stops, the control box is initialised.
Control box initialisation will be required in the following situations:
• Control box replacement
• Actuator replacement
• Re-programming of control box
• Following the reset of a control box
6.6 M9 TRANSFER STRETCHER USER MAINTENANCE CHECKLIST
WARNING: To protect yourself when inspecting or servicing keep body and limbs well clear of any moving
mechanical componentry. Never place your body and limbs beneath any type of bed, stretcher or
shower trolley deck when operating any of the functions.
WARNING: Unplug the stretcher from mains supply before inspecting the power supply cord and other cables.
Carry out the following maintenance checks annually:
a) Visual check
Visually inspect all components for mechanical damage including:
• Deformed or cracked components.
• Deformed or cracked welded connections.
• Deformed, cracked or loose bolted connections.
• Pivoting connections with loose fasteners that should be tight.
• Bent, cracked or damaged actuators (including body clevis, piston clevis, piston, piston sleeve and plastic
housing).
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