Test Boom Functions; Test Attachment Functions - Skyjack SJ643 TH Operating Manual

Section 4 – Pre-operation
Standard Multi-functional Joystick

4.3-4 Test Boom Functions

WARNING
Ensure there are no personnel or obstructions in
test area and there is sufficient room to test all
telehandler functions.
1. Ensure the park brake is engaged.
2. Raise the boom by moving the joystick
backward.
Result: Boom should raise and boom angle
▪
indicator should be functioning.
3. Extend the boom by moving the joystick to the
right.
Result: Boom should extend and boom
▪
extension indicators are visible.
4. Retract the boom by moving the joystick to the
left.
Result: Boom should retract.
▪
5. Lower the boom by moving the joystick forward.
Result: Boom should lower.
▪
6. Lower the boom until attachment is
approximately 2 feet above the ground.
216201ADA
48
2
1

4.3-5 Test Attachment Functions

Standard Multi-functional Joystick:
1. Tilt attachment forward by pressing and holding
2. Tilt attachment backward by pressing and
1
Premium Multi-functional Joystick (If Equipped):
1. Tilt attachment forward by pressing and holding
2. Tilt attachment backward by pressing and
Premium Multi-functional Joystick
(If Equipped)
3
the carriage tilt enable button
the joystick forward.
Result: Attachment should tilt forward.
▪
holding the carriage tilt enable button while
moving the joystick backward.
Result: Attachment should tilt backward.
▪
the attachment tilt switch
Result: Attachment should tilt forward.
▪
holding the attachment tilt switch down.
Result: Attachment should tilt backward.
▪
NOTE
Ensure to test all attachment functions
if telehandler is equipped with optional
attachments. Refer to Section 3.6
5.13 for details about each attachment and
installation/operation.
Function Tests
1
while moving
2
up.
3
and Section
SJ643 TH & SJ843 TH