FWD WHEELCHAIRS

PROCEDURE 17

 

 

Base Frame

Washer

Mounting Screw

Shock

Suspension Arm

Locknut

Mounting Screw

FIGURE 6 - REMOVING/INSTALLING SHOCKS

SHOCK SPRING REPLACEMENT (FIGURE 7)

7.Securetopofshockandspringretainertobaseframe. Apply Loctite 242 and torque to 160-inch pounds.

8.Reinstall the shock. Refer to REMOVING/INSTALL- ING SHOCKS in this procedure of this manual.

TIE ROD REPLACEMENT (FIGURE 8)

Removing

1.Removethefrontshroud.RefertoREMOVING/INSTALL- INGFRONTSHROUDinthisprocedureofthemanual.

2.Removetherearshroud.RefertoREMOVING/INSTALL- ING REAR SHROUD in this procedure of the manual.

3.Remove the counterweight. Refer to REMOVING/IN- STALLING COUNTERWEIGHT in this procedure of the manual.

4.Removethebatteryboxes.RefertoINSTALLING/RE- MOVING GROUP 24 BATTERY BOXES in PRO- CEDURE 9 of this manual.

5.Remove the shocks. Refer toREMOVING/INSTALL- ING SHOCKS in this procedure of this manual.

6.Remove the MKIV controller. Refer to REMOVING/ INSTALLINGMKIVCONTROLLERinPROCEDURE 13 of this manual.

F

W D

W H E E L C H A I R S

1. Remove the shock. Refer to REMOVING/INSTALL-

7.

Remove the locknut, small washer, larger washer and

 

mounting screw that secures the tie rod to the sus-

ING SHOCKS in this procedure of this manual.

 

 

pension arm.

2. Hold the spring retainer and turn the shock eyelet as-

8.

Remove the locknut, small washer, large washer and

semblycounterclockwisetounthreaditfromtheshock.

 

mountingscrewthatsecuresthetierodtothebaseframe.

3. Remove the spring retainer and spring.

9.

Remove the tie rod from the wheelchair.

4. Place the NEW spring onto the shock.

NOTE: In order to ensure that the replacement tie rod(s)

5. Reinstall the shock eyelet assembly and the spring

are adjusted properly, it is necessary to remove ALL

retainer onto the NEW spring.

 

of the tie rods from the wheelchair and install both the

6. While holding the spring retainer, torque the shock

NEW and the EXISTING tie rods as described in the

section below.

eyelet assembly to 245-inch pounds.

10.

Repeat STEPS 7-9 to remove the three (3) remain-

 

Spring

 

 

ing tie rods.

Shock Eyelet

Retainer

 

 

Assembly

 

Adjusting/Installing

 

Spring

1.

Before installing, adjust the collar on one (1) tie rod

 

 

until the length of the tie rod is approximately five (5)

 

 

 

inches (DETAIL“A).

 

 

NOTE: The length of the tie-rod is measured from the

 

 

center of one eyelet to the center of the opposite eyelet.

 

Spring

NOTE: Turn the collar CLOCKWISE to shorten the tie

 

Base

 

rod and COUNTER-CLOCKWISE to lengthen the tie rod.

 

 

 

Shock

2.

Lock the collar on the tie rod into place by turning

 

 

the nut on the tie rod until it is FLUSH against the

 

 

 

FIGURE 7 - SHOCK SPRING REPLACEMENT

 

collar (DETAIL “A”).

 

 

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Invacare Ranger X, Arrow, Torque SP service manual TIE ROD Replacement Figure, Adjusting/Installing