Genie GR-26J, Руководство по обслуживанию

Страница: 58 / 119

Section 4 • Repair Procedures
4 - 12 GR-20J • GR-26J Part No. 227656
September 2016
MAST COMPONENTS
Illustration 3
a stops
b mast assembly
14 Using the mast head fasteners, install the safety
steel plate onto the top of the mast assembly.
Securely tighten the fasteners. Do not over
tighten.
9 Attach a lifting strap of suitable capacity from an
overhead crane to the mast head, jib boom and
platform assembly. Support the assembly. Do
not apply any lifting pressure.
Component damage hazard. The
platform railings can be damaged
if they are used to lift the
assembly. Do not attach the lifting
strap to the platform railings or put
pressure on the railings.
10 Remove the fasteners securing the mast head
to the mast assembly. Set the fasteners to the
side.
11 Raise the mast head, jib boom and platform
assembly and move the assembly
approximately 20 inches / 50 cm towards the
non-steer end of the machine.
Crushing hazard. The mast head,
jib boom and platform assembly
could become unbalanced and fall
when removed from the machine.
Component damage hazard.
Cables and hose can be damaged
if they are kinked or pinched.
Note: During removal the mast head, jib boom and
platform assembly, the overhead crane strap will
need to be carefully adjusted for proper balancing.
A properly balanced lifting strap is essential when
removing the assembly from the machine.
12 Remove the fasteners securing the lift cylinder
to the mast head. Set the fasteners to the side.
13 Using Illustration 3 as a guide, remove the
fasteners securing the stops to the mast
assembly and remove the stops. Set the
fasteners and stops to the side.
b
a
P
Illustration 4
a M16 shackles
b mast assembly
c safety steel plate
a
a
c
b