118444 Rev. B 30Q M - 7 1 0 / 7 1 5 H D / 7 2 0 XI.H.MAINTENANCE CHARTYou should check the items on this chart at the indicated intervals. Ifany of the items are loose, worn, bent or distorted, immediatelyhave them checked and/or repaired by your authorized Sunrise sup-plier. Frequent maintenance and servicing will improve performance,extend wheelchair life, and help prevent injuries.F. TO REPAIR OR REPLACE A TIREWARNINGResidual air pressure in tires can cause severe injury.Make sure you release all air in tire before attemptingto service or repair tires.1. 6" Caster Wheels:a. Remove caster wheel from fork using a 1/2" wrench.b. Make sure there is no residual air in tire before you removebolts that hold the two rim halves together.c. Remove four bolts from rim using a #3 phillips screwdriver.Separate two halves of rim.d. Repair or replace inner tube.e. Reassemble the caster wheel; make sure the bearing spaceris in place and all four bolts are tightened to a torque of 60in.-lbs. (6.8 N.m).f. Mount caster wheel onto fork. Install washers correctly tight-en bolt to 240 in.-lbs. (27 N.m).2. 14" Drive Wheels:a. Elevate and securely support chair so that wheel is off theground. Release all air from tire.b. Remove four (4) lug nuts (A)from rim using a socketwrench.c. Make sure all air has beenremoved from tire. Removethe eight bolts inside the rim.Separate two halves of rim (B).d. Repair or replace inner tube.Reassemble the wheel. Use atorque setting of 120 in.-lbs.(13.5 N.m) to re-tighten bolts.e. Inflate tire to proper pressure level (listed on tire sidewall).G. ORDERING PARTSWhen you order parts, provide the following:1. Model of chair2. Serial number of chair3. Left hand or right hand control4. Part number, description and quantity of parts you need.5. State reason for replacement.Charge Batteries Check tires for proper inflation level Check batteries for proper electrolytelevel (wet only). Check plugs and connectors forproper connections Check all moving parts for wear Inspect all nuts, bolts and fastenersfor looseness or wear Inspect upholstery for wear Service by authorized supplier AnnuallyQuarterlyMonthlyWeeklyDailyCHECK...AB