Sway Functions - Genie GTH-636 Service Manual

Section 5 • Troubleshooting
TROUBLESHOOTING
Parking brake does not hold:
5 Activate the parking brake (parking brake on).
Result: Oil passes through port 2 and does not
pass through port 1. The manifold is functioning
correctly.
Result: Oil passes through port 1 and does not
pass through port 2. The manifold is faulty.
Replace the manifold (schematic item IA).
Parking brake does not release:
6 Deactivate the parking brake (parking brake
off).
Result: Oil passes through port 1 and does not
pass through port 2. The manifold is functioning
correctly. The pilot pressure setting is too low.
Calibrate the pilot pressure.
Result: Oil passes through port 2 and does not
pass through port 1. The manifold is faulty.
Replace the manifold (schematic item IA).
Note: Required maintenance procedures and
additional axle information is available in the Dana
212 Axle Maintenance and Repair Manual
(Dana part number MO212S20) OR the
Dana 213 Axle Maintenance and Repair Manual
(Dana part number 0243).
Dana 212 Axle Maintenance and Repair Manual
(GTH-636, GTH-644, GTH-842 and GTH-844)
Genie part number
Dana 213 Axle Maintenance and Repair Manual
(GTH-1048 and GTH-1056)
Genie part number
5 - 18 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056
1-7

Sway Functions

Symptom:
When activating the sway function, the rear axle
won't move.
Check the Boom Angle Limit Switch
1 Remove all weight from the forks.
2 GTH-1056: Lower the boom to below 55°. Turn
the machine off.
All other models: Lower the boom to below
60°. Turn the machine off.
3 Turn the key switch to the on position. Do not
start the engine.
97488
115026
The GTH-636 is not equipped with
a boom angle limit switch. To
troubleshoot the sway function on
a GTH-636, begin this procedure
with step 7.
Part No. 97487
June 2007
REV A