JLG 4013PS Service Manual - Manual (Page 58)

Boom
3-26 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9
• Torque wear pad bolts after shimming is completed.
• Lubricate the face and pockets of each wear pad
after being installed.
Boom Section Wear Pad Pathway Lubrication:
• Clean and lightly grease all wear pad pathways with
Mystik Tetrimoly grease.
• Clean and lightly grease the hose carrier guide bar
pathways with Mystik Tetrimoly grease.
3.11 QUICK SWITCH ASSEMBLY
This machine is equipped with a quick switch system for
easy attachment changes.
3.11.1 Connecting with a Mechanical Quick
Switch Device
1. Retract quick switch device to provide clearance.
Check to be sure lock pin (6) and retainer pin (7) is
out.
2. Align attachment pin (8) with recess in
attachment (9). Raise boom slightly to engage
attachment pin in recess.
3. Engage quick switch device.
4. Shut off engine. Exit cab and insert lick pin and
secure with retainer pin.
5. If attachment is equipped, connect auxiliary
hydraulic hoses. See Section 3.11.3, “Connecting
with a Quick Switch to a Hydraulic Operated
Attachment.”
3.11.2 Connecting with a Hydraulic Quick
Switch Device
1. Retract quick switch device to provide clearance.
Check to be sure lock pin is disengaged.
2. Align attachment pin (8) with recess in
attachment (9). Raise boom slightly to engage
attachment pin in recess.
3. Engage quick switch device.
4. Press the button (10) and at the same time, move
the joystick to engage or to disengage the quick
switch device.
5. Raise the boom to eye level and visually check that
the quick switch pin protrudes through the hole. If
the pin does not protrude through the hole, place the
attachment on the ground and return to step 2.
6. If attachment is equipped, connect auxiliary
hydraulic hoses. See Section 3.11.3, “Connecting
with a Quick Switch to a Hydraulic Operated
Attachment.”
3.11.3 Connecting with a Quick Switch to a
Hydraulic Operated Attachment
1. Lower attachment to ground. Set parking brake, shut
off engine and turn key back to the “ON” position.
2. Relieve pressure in the hydraulic system by
actuating the joystick.
3. Connect the quick-disconnect fittings.
4. Start the engine.
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MAH0980
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