Genie GTH-1056, Service And Repair Manual

Page: 32 / 153

Service and Repair Manual April 2017
Boom Components
22 GTH-1056 Part No. 1278145
How t o R eplac e t he R etraction C hain
How to Replace the Retraction
Chain
Note: Perform this procedure on a firm, level
surface with the boom in the stowed position and
the wheels chocked.
1 Start the engine and allow the engine to idle.
2 Raise the boom to a horizontal position.
3 Fully retract the boom.
4 Extend the boom approximately 1 inch /
2.5 cm.
5 Turn the machine off and remove the key from
the key switch.
6 Working at the fork end of the boom, loosen
the fasteners securing the dual-chain
tensioner to the top of boom tube number 1.
After noting the orientation and assembly order
of the components, remove the fasteners and
pull the tensioner free of the boom.
1 tube 3 extension chains
2 dual-chain tensioner
3 tube 2 extension chains
4 single-chain tensioner
5 boom tube number 0
6 boom tube number 1
7 boom tube number 2
8 boom tube number 3
7 Working at the fork end of the boom, loosen
evenly the fasteners securing the single-chain
tensioners to the top of boom tube number 0.
After noting the orientation and assembly order
of the components, remove the fasteners and
pull the tensioners free of the boom.
8 Remove the inspection cover from the pivot
end of the boom.