Power Wheelchair Owner's Operator and Maintenance Manual

SECTION 8—SERVICE PROCEDURES
Recumbent Handcycle Series 54 Part No 1114850
Adjusting/Replacing Seven Speed Shifter
HandcycleswithsevenspeedshiftersareequippedwithSHIMANOhubs.Ifequipped
withaSHIMANOhub,itMUSTbeservicedandadjustedbyaqualifiedtechnician.
NOTE:QUALIFIEDTECHNICIANSONLY‐ContactInvacare,18005328677forcomplete
SHIMANOhubinstructions.
Itisrecommendedthatyoutakeyourhandcycletoaqualifiedtechnicianforanyshifter
adjustment.
Installing/Adjusting Seven Speed Hub Chain
Seven Speed Hub Chain Installation
WARNING
Chain MUST be tight. If the chain is noisy, loosen. After chain is assembled, start in
first gear and on straightaway.
NOTE:Forthisprocedure,refertoFIGURE 8.6onpage54.
1. Spreadthechainoutflatandrunitoverthebottomchaintensionerupwardstothe
handcranksprocketassembly.
2. Positionchainoverthehandcranksprocketassembly.
NOTE:Itmaybenecessarytoturnthehandcrankinaclockwisemotiontopositionthechainon
thesprocket.
3. Runthechainoverthetopchaintensioner.
4. Positionthechainaroundthewheelsprocketandbackuptowardsthebottomchain
tensioner.
5. Placechainoverthetopofthebottomchaintensioner.
6. Attachthechaintogetherusingthemasterlink(withclip)provided.
F
FIGURE 8.6 Seven Speed Hub Chain Installation
STEP 2
Sprocket
Assembly
STEP 4
Chain
Tensioners
Hand Crank
Bottom
Chain
Top
Chain
Wheel
Sprocket