Invacare Ranger X, Arrow, Torque SP service manual Repositioning the MOTOR/ Gearbox Figure, Assembly

PROCEDURE 16 RWD WHEELCHAIRS

R W D

W H E E L C H A I R S

2.Movingtheseatrearward.

Advantage: Makesturningeasierandprovidebet- ter traction for the large wheels.

Disadvantage: Thisadjustment,however,allowsless clearanceforfrontriggingsandtheuser will experience more engagement of theanti-tippers.

NOTE: This option can also be accomplished by moving the motor forward on the suspension arm. Refer to REPO- SITIONING GEARBOX in this procedure of the manual.

Adjusting Weight Distribution Procedure

1.Loosen the four (4) mounting screws that secure the seat support brackets to the base frame.

WARNING

DO NOT adjust seat beyond limit stops.

2.Adjust seat forward or back to the position determined fromtheprevioussectionADJUSTMENTOPTIONS.

3.Retighten the four (4) mounting screws securing the seat support brackets to the base frame.

4.Testwheelchairmaneuverability,comfort,andhandling.

5.Repeat STEPS 1-4 for further adjustment, if necessary.

Mounting Screws

Washer

Seat Support

Bracket

Base

Frame

FIGURE 11 - ADJUSTING WEIGHT DISTRIBUTION

REPOSITIONING THE MOTOR/ GEARBOX (FIGURE 12)

NOTE: The motor/gearbox assembly can be repositioned to lengthen or shorten the wheelbase by 2-inches in 1-inch in- crements.

STANDARDPOSITION-LENGTHENSthewheelbaseand gives you the most stability and standard maneuverability.

1-INCHFORWARD-CENTERSthewheelbaseandgives you standard stability and maneuverability.

2 - INCH FORWARD - SHORTENS the wheelbase and in- creases maneuverability and distributes additional weight on rear wheels.

MOTOR/GEARBOX	ASSEMBLY
Standard -	1 - Inch Forward -
Approximately 65% of	Approximately 70% of
weight over rear	weight over rear
wheels	wheels

2 - Inch Forward -

Approximately 75% of

weight over rear

wheels

FIGURE 12 - REPOSITIONING MOTOR/GEARBOX

WARNING

When using a recliner/high back van seat, the motor/gearbox or motor MUST use most REARWARD mounting holes on the suspen- sion arm assembly.

1.Determine the desired position for the gearbox on the wheelchair.

2.Remove the drive wheels from the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in PRO- CEDURE 12 of this manual.

3.Remove gearbox from the suspension arm. Refer to REMOVING/INSTALLINGGEARBOXinthisprocedure of the manual.

4.Move gearbox to the position determine in STEP 1.

NOTE:Ifthewheelchairisequippedwith9-inchcastersona standardorheavydutybase,the2-inchforwardpositionCAN NOT be utilized.

5.Reinstallthegearboxontotheexistingsuspensionarm. RefertoREMOVING/INSTALLINGGEARBOXinthispro- cedure of the manual.

6.Repeat STEPS 3-5 for opposite side of the wheelchair.

7.Reinstall the drive wheel onto the wheelchair. Refer to REMOVING/INSTALLING DRIVE WHEELS in PRO- CEDURE 12 of this manual.

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