February 2022
Service Manual
Mast Components
Part No. 1314708GT
GRC
™
61
10 Attach a lifting strap from an overhead
supporting device to the mast assembly and
carefully rotate the mast 180°. Set the mast
assembly onto the work table and secure the
mast to the table.
Note: During removal, the lifting strap will need to
be adjusted for proper balancing.
Crushing hazard. The mast
assembly will fall if it is not
properly supported by an
overhead supporting device.
11 Slide the number 4 mast towards the bottom
of the number 3 mast and align the upper and
lower number 4 mast access holes to the
upper and lower rivets on the number 3 mast.
Refer to Illustration 2.
Note: While drilling the rivets out, be careful not
enlarge the wear pad mounting holes.
Illustration 2
1 wear pads
2 rivet
3 mast number 4
4 mast number 3
5 mast number 2
6 mast number 1
12 Using a drill, carefully drill out the rivets
securing the number 3 outer wear pads to the
top half of the number 3 mast section. Refer
to Illustration 2.
Note: While drilling the rivets out, be careful not
drill into the number 2 mast section.
Note: While drilling the rivets out, be careful not
enlarge the wear pad mounting holes.
13 Using a drill, carefully drill out the rivets
securing the number 4 inner wear pads to the
bottom half of the number 4 mast section.
Refer to Illustration 3
Illustration 3
1 mast number 4
2 rivet
3 wear pads
4 mast number 1
5 mast number 2
6 mast number 3
Note: While drilling the rivets out, be careful not
drill into the number 3 mast section.
Note: While drilling the rivets out, be careful not
enlarge the wear pad mounting holes.
Summary of Contents for Genie GRC-12
Page 113: ...February 2022 Service Manual 101 Electrical Schematic GRC Options...
Page 115: ...February 2022 Service Manual 103 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 118: ...Service Manual February 2022 106 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 119: ...February 2022 Service Manual 107 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 122: ...Service Manual February 2022 110 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 123: ...February 2022 Service Manual 111 Electrical Schematic GRC from GRC14 1781 to GRC15 2343...
Page 126: ...Service Manual February 2022 114 Electrical Schematic GRC from GRC15 2344 to GRC16P 2481...
Page 127: ...February 2022 Service Manual 115 Electrical Schematic GRC from GRC16P 2482 to GRC16P 2562...
Page 130: ...Service Manual February 2022 118 Electrical Schematic GRC from GRC16P 2563 to GRCP 5999...
Page 131: ...February 2022 Service Manual 119 Hydraulic Schematic GRC from GRC11 1000 to GRC12 1168...
Page 135: ......