Installation
Ultima Hooklift
01/2020
60
With the truck engine idling check the setting of the by-pass valve by checking to see that the
container locks are opening and closing without a delay and that the hook arm is moving front
and back. If the locks or hook arm (as well as any of accessories) are not moving, close the by
-pass valve to increase flow to the hydraulic actuators. The standard factory setting of the by-
pass valve is half open. The adjustment range of the valve is 4 - 10 gal/min.
The safety functions of the hooklift are the following:
The hydraulic body locks must not open while tipping up (lift up only about 2 ft).
The hydraulic body locks must not close when middle frame is up and rear frame is
down.
The hook arm does not move back or front when the hydraulic body locks are closed.
NOTE: Hook arm can be moved front if the function ”Sliding While Tipping” is set on. If
also movement back is allowed, then check the operation of the ultrasonic sensors.
End damping/floating function will start about 8” - 12” before the middle frame is down.
The warning buzzer sounds during all hydraulic movements.
Accessories:
When the hydraulic or manual front locks are closed, the main cylinders don’t move out
and the hook arm does not move rear or front.
Tipping is not allowed if while the “Crane body on” sensor is active.
The main cylinders protection circuit is limiting the operation pressure of main cylinder
out movement to 1600 psi after middle frame is lifted up over 20º angle.
When the adjustable under run bar is out, the main cylinders don’t move out.
NOTE: If the hydraulic or electric operated under run bar is set to automatic or semi-
automatic function, then the under run bar moves in when the main cylinders are moved
out.
The fast speed tipping goes off after tipping angle exceeds 40º.
The automatic lowering will stop if the control lever (joystick) is moved.
When an additional control unit (Crane top seat control or radio controller) is switched on,
the Cabin controller unit screen will have “ -C2- “ in the display.
Check also the safe operations of other possible accessories.
Check the operation of the hooklift also with a loaded container and known test load.
After the unit has passed the tests fill in the test report and write down any possible notes and
deviations.
By-pass valve adjustment:
-Turn clockwise to reduce the
speed
--Turn counter clockwise to in-
crease the speed
Ultima BASE only!
Summary of Contents for ULTIMA S
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Page 56: ...Installation Ultima Hooklift 01 2020 56 Camera view examples High Bogey Rear ...