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EJ777-2-INS-LAB-RevB14 • EJ777-2 Transport Chair 21
Check wheel lock engagement
Check wheel lock engagement at least once a week. If a wheel lock is worn or
damaged, have your Graham-Field authorized distributor replace it immediately.
Inspect the hardware for looseness or signs of wear.
Ensure that the locking mechanism operates smoothly. The locking assembly should
be tight enough so that the wheel can not rotate or the lock slip. Check that the
locking shoe does not press against the tire when in the unlocked position. Excessive
force should not be required to either engage or release wheel locks. Oil the wheel
lock pivot points with one or two drops of 30 weight oil. Remove excess oil and dirt.
Check anti-tippers (optional)
Check the anti-tippers at least once a week. Ensure that the anti-tippers are securely
fastened and properly positioned.
Check hand grips
Check hand grips at least once a week. Ensure that they are not ripped. Ensure that
they are tight and securely fastened.
Check upholstery and carrying straps
Check upholstery and carrying straps at least once a month. Inspect for rips, tears
and worn spots. Ensure that all upholstery and carrying-strap-attaching screws are
present, properly aligned, and well-secured. Use a Phillips screwdriver to tighten
mounting screws. Check attaching screws for sharp edges or stripped screws, and
replace if found.
WARNING: Worn or torn upholstery, or upholstery with loose hardware, must be
replaced immediately. It may not support body weight.
Check rear wheel adjustment
Inspect the wheels at least once a month. Check alignment by elevating the rear of
the Transport Chair on a stable object until the rear wheels clear the ground, or
placing the Transport Chair upside down in a stable position such that the wheels
can spin freely. Spin the wheels; there should be no wobble or sideplay, and the
wheels should spin freely without binding. The bearings should be clean and rotate
smoothly. Check rim sideplay to verify that bearings are not too loose. If there is a
problem, contact your Graham-Field authorized distributor. If adjustment is required,
this should be done by your Graham-Field authorized distributor only.
Check arms
Check arms at least once a month. Inspect for sharp edges or cracks which could
weaken the arm, and replace if found. Ensure that all attaching screws are present
and tight. Use a Phillips screwdriver to tighten arm pad mounting screws. Check for
burrs on the screw heads and replace if found. Ensure that screws do not extend into
the padding. Conrm that the posts at base of arm t correctly in the sockets, snug
but not binding.