Dynapac CC 142-II, Diagrams

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T-1031-4 EN CC 102/102-II/C, CC 122/122-II/C, CC 142/142-II/C 6
Block the drums to prevent machine
from moving.
Fig 1. See to that operating temperature
>50°C is achieved.
When adjusting keep engine rpm on 1500.
Fig 2. Connect both control chambers with a
hose. Disconnect forward/reverse control wire
(in order to avoid residual signal).
Fig 3. Connect high pressure gauges (400
bar) to test nipples on port A & B respective.
Adjust 0-position so that pressure on both
gauges is below 40 bar.
Interchange position of gauges to avoid gauge
malfunction.
Should read same on both gauges as before.
Fig 4. Replace the 400 bar gauges by 40 bar
in the same nipples.
Repeat adjusting procedure acc. to earlier until
LOWEST possible reading is obtained on both
gauges.
Interchange position of gauges to avoid gauge
malfunction.
Fig 5. Remove connecting hose between
chambers. Repeat measurements as indicated
in items 3 and 4.
Now the pressure can be adjusted, if needed,
on the small allen screw on the valve housing
after loosing locnut.
Do not turn the allen screw more than ±90°.
Reset machine after adjustments and testrun
acc. to O&M instructions.
Propulsion pump P/N 35 70 08
CC 102-II/C, 122-II/C, 142/142-II/C
Adjusting of neutral position.