Harmar Mobility SL600 HD Installation & Service Manual page 16

HEAVY DUTY STAIR LIFT: SECTION 4
INSTALLATION
providing protection from obstructions on the
rail.
2. Safety stop switches are located in the
footrest bottom pan providing protection from
obstructions and trapping hazards on the stairs.
3. A safety stop switch is part of the swivel seat
mechanism and prevents the lift from operating
when the swivel is in use.
4. Test all the safety stop switches by driving the
lift down and touching the downward end of the
chassis, the lower edge of the footrest, and the
underside of the footrest in both its folded and
unfolded positions.
5. In each of the above cases the unit should come
to an immediate halt. The LED indicator light on
the armrest control should turn to orange and
the unit should beep intermittently.
6. When the control switch is released, the unit
should NOT be able to be driven in the direction
that the lift initially engaged the obstacle. Test
this condition.
7. Test to ensure that the lift can only be driven
away from the obstruction. The LED indicator
light will turn to green and stop beeping
indicating a safe operating condition.
8. Repeat the above tests while driving the lift in
opposite direction.
9. If any safety condition does not function
properly, carefully review all installation
instructions, reset the "ON/OFF" switch and
check that the LED indicator light is green.
Repeat the above tests.
10. If any safety stop switch fails to immediately
stop the lift and/or a red LED indicator light
appears, remove the key to prevent further use
of the lift and immediately call the manufacturer
for assistance in diagnosing and repairing the
problem. DO NOT USE THE LIFT.
SL600HD Heavy Duty Stair Lift:
16
31JAN2020 | P/N: 75403 REV C
Additional System Checks
1. After the successful testing of all safety
2. As a final adjustment, sit on the lift and do two
3. Drive the lift to the bottom, keeping the control
4. Move the lift about three (3) feet from either the
5. Test the seat swivel at the top by using the
6. Drive to the top or bottom and check the battery
Installation & Service Manual
switches, secure the seat belt, sit on the lift and
operate to the top of the stairs. Keeping the
control switch depressed continuously, the lift
should gently decelerate and then stop at the
top of the track.
complete up trips and stop with the chair at the
bottom. Then tighten the compression screw in
the top end plate, then run the chair to the top
and again tighten the compression screw. Run
the chair to the middle and do a final tightening
of the compression screw.
switch depressed all the time, and check that the
lift gently decelerate and stops so the footrest
pan is clear off the floor. If necessary adjust the
limit cams with a 5/64" Allen wrench.
top or bottom of the rail. After 30 seconds the
armrest LED indicator light will show orange
and beep indicating that the lift is not positioned
on a charge point. The beep will stop after 30
seconds, but the armrest LED indicator light will
continue to flash orange.
levers and swiveling the seat towards the
landing and stop the seat at 35 and 85 degrees.
The seat swivel levers will release into a locked
position at each of these angles. The lift will not
operate in any of these positions if the control
switch is depressed, and the LED indicator light
will turn orange. Return the seat to its normal
position and the LED indicator light will turn
green and the lift will now operate normally.
charging light. If the light is orange or red, the
batteries are being charged.