SECTION 4 - BOOM & PLATFORM
3121827
– JLG Lift –
4-5
Installation
NOTE:
Coat I.D. of bushings with specified lubricant prior to
installing pins.
1.
With the booms positioned and supported, place
cylinder in position and secure in place using slings.
2.
Install the cylinder barrel pin #4, being sure to align
the hole in the cylinder barrel pin with the retaining
pin screw hole. When holes align, install hardware.
3.
Correctly install hydraulic lines to cylinder as previ-
ously tagged. Extend cylinder rod slowly until attach
pin hole aligns with those in boom.
4.
Using a suitable brass drift, drive the cylinder rod
attach pin #3 through the aligned holes. Secure the
pin in place using retaining hardware.
5.
Remove boom prop and overhead crane. Take the
lift cylinder through one complete cycle to assure
correct functioning. Place boom in stowed position.
Check hydraulic fluid and adjust accordingly.
4.4 LOWER BOOM LIFT CYLINDER
Removal
1.
Place machine on flat and level surface. Place the
Upper Boom in a horizontal position. Place the Mid
and Lower Booms in a 10 degree elevated position.
Support Upper Boom with a prop. Support upright
with an overhead crane.
2.
Using slings, restrain the lower lift cylinder.
3.
Remove the hardware securing the cylinder rod
attach pin #5 to the boom. Using an appropriate
brass drift, drive out the cylinder rod attach pin #5.
4.
Tag, disconnect and cap the lift cylinder hydraulic
lines and ports.
5.
Remove the hardware securing the barrel end attach
pin #6 to the boom. Using an appropriate brass
drift, drive out the cylinder barrel pin #6.
6.
Carefully remove cylinder from boom. Place in a
suitable work area.
Installation
NOTE:
Coat I.D. of bushings with specified lubricant prior to
installing pins.
1.
With the booms positioned and supported, place
cylinder in position and secure in place using slings.
2.
Install the cylinder barrel pin #6, being sure to align
the hole in the cylinder barrel pin with the retaining
pin screw hole. When holes align, install hardware.
3.
Correctly install hydraulic lines to cylinder as previ-
ously tagged. Extend cylinder rod slowly until attach
pin hole aligns with those in boom.
4.
Using a suitable brass drift, drive the cylinder rod
attach pin #5 through the aligned holes. Secure the
pin in place using retaining hardware.
5.
Remove boom prop and overhead crane. Take the
lift cylinder through one complete cycle to assure
correct functioning. Place boom in stowed position.
Check hydraulic fluid and adjust accordingly.
Figure 4-4. Lower Boom Lift Cylinder Removal
Содержание JLG E400AJP
Страница 2: ......
Страница 21: ...SECTION 1 SPECIFICATIONS 3121827 JLG Lift 1 7 Figure 1 2 Operator Maintenance Lubrication Diagram...
Страница 32: ...SECTION 1 SPECIFICATIONS 1 18 JLG Lift 3121827 NOTES...
Страница 42: ...SECTION 2 GENERAL 2 10 JLG Lift 3121827 NOTES...
Страница 54: ...SECTION 3 CHASSIS TURNTABLE 3 12 JLG Lift 3121827 Figure 3 3 Speed Sensor Orientation...
Страница 55: ...SECTION 3 CHASSIS TURNTABLE 3121827 JLG Lift 3 13 Figure 3 4 Frame Mounted Electrical Components Sheet 1 of 2...
Страница 56: ...SECTION 3 CHASSIS TURNTABLE 3 14 JLG Lift 3121827 Figure 3 5 Frame Mounted Electrical Components Sheet 2 of 2...
Страница 60: ...SECTION 3 CHASSIS TURNTABLE 3 18 JLG Lift 3121827 Figure 3 7 Steering Components and Spindles...
Страница 62: ...SECTION 3 CHASSIS TURNTABLE 3 20 JLG Lift 3121827 Figure 3 9 Tilt Sensor Location...
Страница 86: ...SECTION 3 CHASSIS TURNTABLE 3 44 JLG Lift 3121827 Figure 3 16 Swing Components...
Страница 88: ...SECTION 3 CHASSIS TURNTABLE 3 46 JLG Lift 3121827 Figure 3 18 Battery Cable Connections...
Страница 90: ...SECTION 3 CHASSIS TURNTABLE 3 48 JLG Lift 3121827 Figure 3 20 On Board Generator...
Страница 97: ...SECTION 3 CHASSIS TURNTABLE 3121827 JLG Lift 3 55 Figure 3 22 Generator Components...
Страница 100: ...SECTION 3 CHASSIS TURNTABLE 3 58 JLG Lift 3121827 Figure 3 23 Generator System Analyzer Flow Chart...
Страница 116: ...SECTION 3 CHASSIS TURNTABLE 3 74 JLG Lift 3121827 NOTES...
Страница 125: ...SECTION 4 BOOM PLATFORM 3121827 JLG Lift 4 9 Figure 4 8 Jib Platform Components and Attaching Hardware...
Страница 127: ...SECTION 4 BOOM PLATFORM 3121827 JLG Lift 4 11 Figure 4 10 Boom Limit Switches...
Страница 140: ...SECTION 4 BOOM PLATFORM 4 24 JLG Lift 3121827 Figure 4 13 Rotator Counterbalance Valve...
Страница 178: ...SECTION 5 HYDRAULICS 5 24 JLG Lift 3121827 Figure 5 26 HydraForce Cartridge Torque Value Chart...
Страница 179: ...SECTION 5 HYDRAULICS 3121827 JLG Lift 5 25 Figure 5 27 Main Valve Components Prior to S N 62642...
Страница 214: ...SECTION 6 JLG CONTROL SYSTEM 6 34 JLG Lift 3121827 NOTES...
Страница 257: ......