Assembly - JLG 600SC Service And Maintenance Manual

SECTION 4 - BOOM & PLATFORM

Assembly

NOTE: When installing fly section wear pads, install same number
and thickness of shims as were removed during disassem-
bly.
1. Measure inside dimensions of the base and mid sections
to determine the number of shims required for proper
lift.
2. Install side, top and bottom wear pads to the rear end of
fly section; shim evenly to the measurements of the
inside of mid section. Torque the bolts to 40.6 ft. lbs. 
(55 Nm).
3. Install retract wire ropes into rear end of fly section,
route wire ropes through holes in side of fly boom sec-
tion and pull into slot.
4. Install side, top and bottom wear pads to the rear end of
mid section, shim evenly to the measurements of the
inside of mid section. Torque the bolts to 40.6 ft. lbs.
(55 Nm).
5. Using Super Lube, lubricate all wear surfaces on the out-
side of fly boom and inside of the mid boom.
6. Slide fly boom section into mid boom section.
7. Install wear pads into the front end of the mid boom
section. Torque the bolts to 40.6 ft. lbs. (55Nm).
8. Apply a thin coat of moly paste lubricant to the inside
diameter of the sheave composite bearings. Install the
fly retract sheaves and bushings while guiding the wire
ropes into the sheave grooves. Apply moly paste lubri-
cant on the inside diameter of the sheave bushing cup.
Ensure the sheaves move freely.
4-12
9. Install sheave on the telescope cylinder secure with pin
and bolts.
10. Route the cables around the sheave on the cylinder and
install the sheave guard.
11. Using an adequate lifting device, insert the cylinder and
cables part way into the inner fly boom.
MAE23030
MAE23010
MAE23000
3121776