How To Adjust The Boom Angle Proximity Switch; How To Adjust The Boom Extend Proximity Switch - Genie GTH-1048 Service Manual

March 2016
How to Adj ust the Boom Angle Proximity Swi tch
How to Adjust the Boom Angle
Proximity Switch
The boom angle proximity switch is attached to a
mounting bracket, located between the boom and
the chassis directly beneath the boom pivot pin.
The switch location is adjustable.
1 Start the engine.
2 Raise the boom to 60°. Confirm with a digital
level.
3 Working at the pivot end of the boom, locate
the boom angle proximity switch. Loosen the
fasteners, securing the proximity switch
assembly to the chassis, just enough to allow
the bracket to move.
4 Move the proximity switch assembly until the
light of the proximity switch turns on, then
move the proximity switch assembly until the
light of the proximity switch just turns off.
5 Securely tighten the fasteners. Do not over
tighten.
6 Lower the machine to 55°.
Result: The light of the proximity switch
assembly is illuminated.
7 Raise the boom to 60°. Confirm with a digital
level.
Result: The light of the proximity switch
assembly is not illuminated. The proximity
switch is properly calibrated.
Result: The light of the proximity switch
assembly is illuminated. The proximity switch
is not calibrated correctly. Repeat this
procedure beginning with step 4.
Part No. 123701
How to Adj ust the Boom Ex tend Proximity Switc h
How to Adjust the Boom Extend
Proximity Switch
The boom extend proximity switch assembly, used
only on the GTH-1056, is secured to the top
surface of the number 0 boom tube at the center of
the boom. The proximity switch assembly is fixed
in position and is not adjustable.
1 boom angle proximity switch
2 boom extend proximity switch (GTH-1056)
GTH-1048 • GTH-1056
Service Manual
Boom Components
Courtesy of Crane.Market
49