Kalmar DRD450-80S4X, Maintenance Manual

Page: 191 / 600

UDRF01.04GB
Maintenance manual DRF 400–450
7 Load handling – 7.9.1.7 Twistlocks 43
Hydraulic diagram top lift
Hydraulic diagram top lift, tilt lock and controllable tilt
Hydraulic diagram combi attachment
Hydraulic diagram top lift, tilt lock, controllable tilt and hydraulic lev-
elling
page –
Twistlocks, component position
Hydraulic oil pump, Shuttle valve
See Lift and lower, component position page 6 .
Valve block top lift hydraulics, Control valve attach-
ment, Lock cylinder twistlocks, Twistlocks, Sensor
alignment, Sensor twistlocks, relief valve attach-
ment
See Sideshift, component position page 15 .
7.9.1.7 Twistlocks
page –
Twistlocks, checking
1. Lock mechanism
2. Sensor alignment
3. Alignment pin
4. Lift pin
5. Lock guide
1 Check that the twistlocks function correctly.
Lock and open the twistlocks, check that the indicator lights
work, both in cab and on boom.
2 Clean the twistlocks from any dirt.
3 Under the rubber cover for twistlocks: check pin, link arm and
lock nut.
4 Clean the area around the sensor for alignment.
5 Press in the alignment pin so that the head is flush with the
spreader beam's underside. Check the distance to sensor align-
ment, distance should be
5
±
1 mm . Adjust as needed
NOTE
The alignment pin should move easily and spring back
completely.
6. Control unit cab (D790-1) 13. Lock cylinder
7. Control unit frame rear (D797-R) 14. Sensor unlocked twistlocks (B7204) or Sensor locked
twistlocks (B7205)
1
4
5
000536
3
2
W A R N IN G
Make sure that the engine is off when working on
the twistlocks.
Twistlocks can be locked automatically if all sensors
for alignment are activated manually.
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