52 
X I I . M a i n t e n a n c e 
2.12" (310 mm) Drive Wheels:
a.Elevate and securely support chair so that wheel is off the ground. Release all air from tire.
b.Remove four (4) lug nuts (A) from rim using a socket wrench.
c.Make sure all air has been removed from tire. Remove the four bolts inside the rim. Separate two halves of rim.
d.Repair or replace inner tube. Reassemble the wheel.
Use a torque setting of 120
e.Inflate tire to proper pressure level (listed on tire sidewall).
G. ORDERING PARTS
When you order parts, provide the following:
X I I I . W i r i n g D i a g r a m 
53
VSI WIRING DIGRAM DETAIL
1.Model of chair
2.Serial number of chair
3.Left hand or right hand control
4.Part number, description and quantity of parts you need.
5.State reason for replacement.
H. MAINTENANCE CHART
You should check the items on this chart at the indicated intervals. If any of the items are loose, worn, bent or distorted, immediately have them checked and/or repaired by your authorized Sunrise supplier. Frequent maintenance and servicing will improve per- formance, extend wheelchair life, and help prevent injuries.
Daily | Wee |
klyMonthlyQuarterlyAnnually | |
CHECK... |
|
|
|
Charge Batteries | ✓ |
LEFT SEAT
INTERCONNECT
LEFT
MOTOR
BLACK
RED
SEAT
ACTUATOR
SEATING POWER
SOURCE
RIGHT SEAT
INTERCONNECT
RIGHT
MOTOR
BLACK
SEAT INTERCONNECT SWITCH
OPEN WHEN UNLATCHED
Check tires for proper inflation level | ✓ |
|
|
Check batteries for proper electrolyte level (wet only) | ✓ |
|
|
Check plugs and connectors for proper connections | ✓ |
|
|
Check all moving parts for wear | ✓ |
|
|
Inspect all nuts, bolts and fasteners for looseness or wear | ✓ |
|
|
Inspect upholstery for wear | ✓ |
|
|
Service by authorized supplier | ✓ |
Front Battery
BLACK
RED
Rear Battery
RED
ORANGE
MOTOR
POSITIVE
ORANGE
Circuit Breaker
12V
BRAKE REL. SOLENOID
(WIRESIDE SHOWN)
MOTOR
NEGATIVE
930475 Rev. A | 930475 Rev. A |