Installation - JLG 600SC Service And Maintenance Manual

Installation

NOTE: Refer to Figure 4-3., Boom Assembly Removal and Installa-
tion.
NOTE: The boom alone weighs approximately 2792 lbs. (1269 kg).
Including the powertrack, slave cylinder, rotator, jib, plat-
form and platform support the assembly weighs approxi-
mately 7500 lbs. (3400 kg).
1. If tension link is removed, insert an adequate metal rod
into the turntable lifting eye holes to support the ten-
sion link.
2. Using an adequate lifting device, position the tension
link on turntable so that the pivot holes of tension link
and turntable holes are aligned.
NOTE: The tension link weighs approximately 419 lbs. (190 kg).
3. Install pin, keeper pin, and retaining bolt (5) securing
tension link to the turntable. Apply JLG Threadlocker 
(PN 0100011) and torque to 346 ft.lbs. (469 Nm).
NOTE: Steps 1, 2, and 3 are only necessary if the tension link has
been removed.
4. Place the tower link with boom lift cylinder on the
proper support.
5. Use an adequate lifting device, lift the boom assembly
and install pin, keeper pin, and retaining bolt (4) secur-
ing the tower link to the boom assembly. Apply JLG
Threadlocker (PN 0100011) and torque to 346 ft.lbs. (469
Nm).
6. Install pin, keeper pin, and retaining bolt (3) securing lift
cylinder rod end pin to main boom assembly. Apply JLG
Threadlocker (PN 0100011) and torque to 346 ft.lbs. 
(469 Nm).
7. Using an adequate lifting device, lift and position the
boom assembly with tower link and boom lift cylinder
on turntable so that the pivot holes of boom assembly
and tension link are aligned.
8. Install boom pivot pin, keeper pin, and retaining bolt (2),
ensuring that location of hole in pin is aligned with
attach point on tension link.
3121776
SECTION 4 - BOOM & PLATFORM
9. Lift and move forward the boom and tower link assem-
bly.
10. Remove metal rod from the turntable lifting eye holes
and level the boom assembly to normal position.
11. Install pin, keeper pin, and retaining bolt (1) securing
tower link to turntable. Apply JLG Threadlocker 
(PN 0100011) and torque to 346 ft.lbs. (469 Nm).
12. Reconnect all hydraulic lines as tagged during removal.
13. Reconnect all electrical connections to the boom assem-
bly as tagged during removal.
14. If necessary, adjust retract and extend cables to the
proper torque. Refer to Section 4.13, Wire Rope Tension-
ing Adjustment for wire rope torque procedures.
15. Using all applicable safety precautions, raise and extend
boom fully, then retract and lower boom. Check for
proper operation and hydraulic leaks.
4-15