Invacare Ranger IISTANDARD Replacing Stabilizer Cylinder Springs Figure, Counter-Clockwise

MWD WHEELCHAIRS PROCEDURE 14

2.Remove existing stabilizer wheel from the wheelchair.

3.Position the new stabilizer wheel and spacers between the stabilizer plates.

4.Reinstallthehexboltthroughthestabilizerplates,spac- ers and new stabilizer wheel and tighten securely.

5.Repeat STEPS 1-4 for opposite side of wheelchair.

	Mount
	Stabilizer
	Wheel in
	TOP
	Mounting
	Hole
Stabilizer	Only
Plates	Locknut

Hex Bolt

Spacers

Stabilizer Wheel

FIGURE 18 - REPLACING STABILIZER WHEEL FOR

TYPE A AND TYPE B STABILIZER ASSEMBLIES

Replacing Stabilizer Wheel for Type C Stabilizer Assemblies (FIGURE 19)

NOTE: Refer to STABILIZER INDENTIFICATION in the beginning of this section to determine correct stabilizer assembly.

1.Secure the fork to the caster with one (1) 7/16-20 x 3- 1/4-inch hex screw, washer, and locknut.

2.Torque the locknut to 120-in/lbs.

3.Loosen the locknut 1/8 of a turn by turning the locknut

COUNTER-CLOCKWISE.

4.Move the caster side to side.

NOTE: If the caster moves side to side, tighten the locknut slightly. Repeat STEP 3 until there is no side to side move- ment.

5. Repeat STEP 1 for other caster and fork.

REPLACING STABILIZER CYLINDER SPRINGS (FIGURE 16)

Replacing Stabilizer Cylinder Springs for Type A Stabilizer Assemblies (FIGURE 14)

NOTE: Refer to STABILIZER INDENTIFICATION in the beginning of this section to determine correct sta- bilizer assembly.

1.If necessary, remove the front shroud. Refer to RE- MOVING/INSTALLING SHROUDSin PROCEDURE 10 of this manual.

2.Loosen the jam nut on the stabilizer cylinder.

3.Remove the top hex bolt and locknut that secure the stabilizer cylinder to the wheelchair frame.

4.Remove the bottom bolt and locknut that secure the bottom of the stabilizer cylinder to the stabilizer plates.

5.Remove the stabilizer cylinder from the wheelchair.

6.Unscrew the stabilizer cylinder pivot and jam nut from the stabilizer cylinder.

WARNING

Thestabilizercylinderspringisundercompression. SLOWLY remove the adjustment nut while check- ing to make sure the cylinder spring is becoming uncompressed. If the spring is not becoming uncompressed, DO NOT remove the adjustment nut, otherwise injury or damage can occur. Con- tact Invacare Technical Service, 1-800-832-4707.

7.SLOWLY remove adjustment nut and plate from sta- bilizer cylinder while checking to make sure existing stabilizer cylinder spring is becoming uncompressed.

8.Remove the existing stabilizer cylinder spring from the stabilizer cylinder.

NOTE: Examine the stabilizer cylinder and replace if worn.

9.	Install the new stabilizer cylinder spring onto the stabi-
	lizer cylinder.
10.	Reinstall the plate and adjustment nut onto the stabi-
	lizer cylinder as shown in FIGURE 16.
11.	Screw the jamnut and stabilizer cylinder pivot onto

M W D

W

H

E

E

L

C H A I R S

7/16-20x

Locknut

the stabilizer cylinder.

12. Position the new stabilizer cylinder on the wheelchair

3-1/4-inch

Hex Screw

Washer

Caster

Washer

FIGURE 19 - REPLACING STABILIZER WHEEL FOR

TYPE A AND TYPE B STABILIZER ASSEMBLIES

as shown in FIGURE 16.

13. Secure the top of the new stabilizer cylinder to the

wheelchair frame with the hex bolt and locknut.

WARNING

DO NOT overtighten. Stabilizer cylinder will not operate properly.

14.Secure the bottom of the new stabilizer cylinder to the stabilizer plates with the hex bolt and locknut.

77