Maintenance Manual
March 2022
Quarterly Maintenance Procedures
78
S
®
Booms • Z
®
Booms
Part No. 1268489GT
8 Lower the primary boom to -50°.
Result: The reading at the display and digital
level is within ± 2° of each other and of -50°.
Result: The reading at the display and digital
level is greater than ± 2° of each other and of
-50°. The primary boom angle sensor must be
calibrated. Refer to Repair Procedure in the
appropriate Service and Repair Manual for
your machine,
How to Calibrate the Primary
Boom Angle Sensor
.
9 Raise the primary boom to -20°.
Result: The reading at the display and digital
level is within ± 2° of each other and of -20°.
Result: The reading at the display and digital
level is greater than ± 2° of each other and of
-20°. The primary boom angle sensor must be
calibrated. Refer to Repair Procedure in the
appropriate Service and Repair Manual for
your machine,
How to Calibrate the Primary
Boom Angle Sensor
.
10 Raise the primary boom to 10°.
Result: The reading at the display and digital
level is within ± 2° of each other and of 10°.
Result: The reading at the display and digital
level is greater than ± 2° of each other and of
10°. The primary boom angle sensor must be
calibrated. Refer to Repair Procedure in the
appropriate Service and Repair Manual for
your machine,
How to Calibrate the Primary
Boom Angle Sensor
.
11 Raise the primary boom to 40°.
Result: The reading at the display and digital
level is within ± 2° of each other and of 40°.
Result: The reading at the display and digital
level is greater than ± 2° of each other and of
40°. The primary boom angle sensor must be
calibrated. Refer to Repair Procedure in the
appropriate Service and Repair Manual for
your machine,
How to Calibrate the Primary
Boom Angle Sensor
.
12 Fully raise the primary boom until it stops at
approximately 58°.
Result: The reading at the display and digital
level is within ± 2° of each other and of 58°.
Result: The reading at the display and digital
level is greater than ± 2° of each other and of
58°. The primary boom angle sensor must be
calibrated. Refer to Repair Procedure in the
appropriate Service and Repair Manual for
your machine,
How to Calibrate the Primary
Boom Angle Sensor
.
Summary of Contents for Genie Lift Guard S-40
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