Midilift SL
Installation Guide
October 2016
Adjustments UP
Valves are already tested and adjusted.
Up Bypass
:
When the pump is started, the unloaded
floor for a period of about 1 second
according to the setting of adjustment
lengthens the delay.
Up Stop
:
At floor level, the pump
on load and speed of approach.
No adjustment possible.
S Relief Valve
: 'In' (clockwise) produces a higher, 'out' (c
pressure setting. After turning 'out'
Important: When testing relief valve, do not close ball valve sharply.
Adjustments DOWN
Valves are already tested and adjusted.
settings.
Down Acceleration
: When solenoid
according to the setting of adjustment
'In' (clockwise) provides a softer down acceleration, 'out' (c
Pre-adjustment:
6
should be turned
slowly back out until the car accelerates downwards.
Down Speed
: With solenoid
D
according to the setting of adjustment
(c-clockwise) a faster down speed.
Down Stop
: At floor level, solenoid
necessary.
H Manual Lowering
: 'out' (c-clockwise) allows the car to be lowered by hand. Closes
automatically on release.
KS
: Some units may be fitted with a slack rope valve. This is not required on the Midilift but
may still need to be adjusted. If an empty platform will not descend, even if the emergency
valve is operated, turn KS anti-clockwise until the platform
turn to allow for cold conditions.
Version 9
Valves are already tested and adjusted.
When the pump is started, the unloaded platform should remain stationary at the
floor for a period of about 1 second before starting upwards. The length of this delay is
according to the setting of adjustment
1
'In' (clockwise) shortens the delay,
oor level, the pump-motor is de-energized. The stop may be abrupt depending
on load and speed of approach.
'In' (clockwise) produces a higher, 'out' (c-clockwise) a lower maximum
pressure setting. After turning 'out', open manual lowering
H
for an instant.
Important: When testing relief valve, do not close ball valve sharply.
Valves are already tested and adjusted.
Check electrical operation before changing valves
When solenoid D is energized, the car will accelerate downwards
according to the setting of adjustment
6
.
'In' (clockwise) provides a softer down acceleration, 'out' (c-clockwise) a quicker acceleration.
should be turned all the way in and then solenoid D energized. Turn
slowly back out until the car accelerates downwards.
energized as above, the down speed of the
according to the setting of adjustment
9
. 'In' (clockwise) provides a slower down
clockwise) a faster down speed.
At floor level, solenoid
D
is de-energized causing the car to stop. No adjustment
clockwise) allows the car to be lowered by hand. Closes
: Some units may be fitted with a slack rope valve. This is not required on the Midilift but
may still need to be adjusted. If an empty platform will not descend, even if the emergency
clockwise until the platform starts to move, turn another half
turn to allow for cold conditions.
21
should remain stationary at the
before starting upwards. The length of this delay is
'In' (clockwise) shortens the delay, 'out' (c-clockwise)
energized. The stop may be abrupt depending
clockwise) a lower maximum
for an instant.
Important: When testing relief valve, do not close ball valve sharply.
Check electrical operation before changing valves
is energized, the car will accelerate downwards
clockwise) a quicker acceleration.
energized. Turn
6
energized as above, the down speed of the platform is
(clockwise) provides a slower down speed, 'out'
energized causing the car to stop. No adjustment
clockwise) allows the car to be lowered by hand. Closes
: Some units may be fitted with a slack rope valve. This is not required on the Midilift but
may still need to be adjusted. If an empty platform will not descend, even if the emergency
starts to move, turn another half
