Invacare nutron R51 Owner And Maintenance Manual page 38

SECTION 7—FRONT RIGGINGS
Footrest Support
Locknut
Coved Washer
Hex Bolt
Coved Washer
Lower Footrest
NOTE: PW93ST style footrest shown. PW93 and PW93E footrests adjust the same way.
FIGURE 7.2 Adjusting the Footrest Height - Model PW93, PW93E, and PW93ST Footrests
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R51™and R51LXP Part No. 1106645