Grove Published 10-01-2020 Control # 699-00 4-1
GRT9165 SERVICE MANUAL BOOM
SECTION 4
BOOM
SECTION CONTENTS
Boom Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Boom Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Functional Check . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Boom Nose Sheaves . . . . . . . . . . . . . . . . . . . . . . . 4-7
Boom Nose Sheaves Removal . . . . . . . . . . . . . . . 4-7
Boom Nose Sheaves Installation . . . . . . . . . . . . . 4-7
Mechanical Emergency Unlocking and Locking of
the Telescopic Sections. . . . . . . . . . . . . . . . . . . . . 4-9
Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Check the Locking System. . . . . . . . . . . . . . . . . . 4-10
ODM Components . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Boom Extension . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Hook Block/Overhaul ball . . . . . . . . . . . . . . . . . . . 4-12
The following sections describe maintenance procedures for
the GRT9165 boom. For lubrication information, see
Maintenance and Lubrication, page 9-1. Additional
information can be found in the Operator Manual and Parts
Book.
BOOM REMOVAL
NOTE: The boom with no boom extension weighs
approximately 15662 kg (34528 lbs).
1. Extend and set the outriggers to level the crane and
ensure the boom is fully retracted, locked, and in a
horizontal position over the front of the crane.
2. Remove the counterweight. For more information, see
the Operator Manual.
3. Rotate turntable so boom is over the front of the crane
and engage the turntable lock pin.
4. If installed, remove the boom extension and auxiliary
nose. For more information, see the Operator Manual.
5. Remove the hook block or overhaul ball and wind all the
wire rope onto the hoist drum.
CAUTION
Injury Hazard!
Wear gloves when handling wire rope, metal slivers and/
or cuts may result.
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