Invacare ARROW MWD - Manual (Page 69)

69
PROCEDURE 15 MWD WHEELCHAIRS
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This Procedure includes the following:
Removing/Installing Group 24 Battery Box Sub-Frame
Removing/Installing Group 22 Battery Box Tray
Converting Group 22 Batteries To Group 24 Batteries
Shock Replacement
Shock Spring Replacement
Replacing Stabilizer Fork Assembly
Replacing Stabilizer Wheels
Replacing Stabilizer Cylinder Springs
Adjusting Weight Distribution
Adjusting Stabilizers
Installing/Removing Gearbox
Replacing Suspension Arm
Spacer
Battery Box
Retainer
Bar
Retainer Clip
FIGURE 1 - REMOVING/INSTALLING GROUP 24 BATTERY
BOX SUB-FRAME
Battery Box Sub-frame REMOVING/INSTALLING GROUP 24
BATTERY BOX SUB-FRAME (FIGURE 1)
Removing
1. Remove the battery boxes. Refer to INSTALLING/RE-
MOVING GROUP 24 BATTERY BOXES in PROCE-
DURE 9 of this manual.
2. Remove the two (2) mounting screws and locknuts
that secure the wiring harness w/bracket and the rear
of the existing sub-frame to the base frame. Refer to
REMOVING/INSTALLING WIRING HARNESS in
PROCEDURE 10 of this manual.
3. Remove the four (4) mounting screws that secure the
shocks, retainer bar, spacers and retainer clips to the
base frame. Refer to REPLACING BATTERY BOX
RETAINER/RETAINER CLIP - GROUP 24 BATTERY
BASE FRAMES in PROCEDURE 11 of this manual.
4. Remove the existing sub-frame assembly.
Installing
1. Install the two (2) mounting screws and locknuts that
secure the wiring harness w/bracket and the back of
the NEW sub-frame to the base frame. Refer to RE-
MOVING/INSTALLING THE WIRING HARNESS in
PROCEDURE 10 of this manual. Use Loctite 242 and
torque mounting screws to 160-inch pounds.
Mounting
Screws
Wiring Harness
w/Bracket
Sub-Frame
Locknuts
REAR OF CHAIR
REAR OF
CHAIR
FRONT OF CHAIR
Mounting
Screws
FRONT OF
CHAIR
2. Reinstall the four (4) mounting screws that secure the
shocks, retainer bar, spacers and retainer clips to the
base frame. Refer to REPLACING BATTERY BOX
RETAINER/RETAINER CLIP - GROUP 24 BATTERY
BASE FRAMES in PROCEDURE 11 of this manual.
Use Loctite 242 and torque mounting screws to 160-
inch pounds.
3. Reinstall the battery boxes. Refer to INSTALLING/RE-
MOVING GROUP 24 BATTERY BOXES in PRO-
CEDURE 9 of this manual. Use Loctite 242 and torque
mounting screws to 160-inch pounds.
WARNING
After ANY adjustments, repair or service and BE-
FORE use, make sure that all attaching hardware
is tightened securely - otherwise injury or dam-
age may result.
REMOVING/INSTALLING GROUP
22 BATTERY BOX TRAY (FIGURE 2)
Removing
1. Remove battery box. Refer to INSTALLING/REMOV-
ING GROUP 22 BATTERY BOX in PROCEDURE 9
of this manual.
2. Remove the two (2) mounting screws and locknuts
that secure rear of battery box tray to the base frame.
3. Remove the two (2) front locknuts that secure the bat-
tery box tray to battery mount brackets.
4. Remove the battery box tray.