Upright SB60 Service & Parts Manual page 23

SB60 Work Platform
Maintenance
3-6 Boom Proximity Switch
(Figure 3-6)
The Platform Down Switch bypasses the Tilt Sensor
when the platform is fully lowered and closes the circuit
to the Platform Down Relay, which allows high speed
travel, cage trim function and turret rotation.
1. Lower the Platform completely.
2. With the Platform / Chassis switch on Chassis, push
3. If the alarm sounds, elevate the platform and adjust
4. With platform elevated, repeat step 2. When
Figure 3-10: Proximity Switch
DO NOT attempt to adjust Limit Switches
without first blocking the elevating assem-
bly (see section 3.1).
the Tilt Sensor base to test the alarm circuit.
the position of the switch 1/4" to 3/8". Lower the
platform and retest. If down limit switch is properly
adjusted, the tilt alarm will not sound.
switch is properly adjusted, alarm will sound.
Section
3.6
3-9