Maintenance and service
102
27.06.2011
ver. 2
5.12 Changing wheels
Figure 5.23
A
Position the unfolded drill on a firm surface and resting on the discs with the wheels raised.
B
Remove the scraper.
C
Release the axle and pull the wheel downwards and backwards.
D
Fit the axle to the new wheel (the nut on the RH side)
E
Roll the wheel into the wheel fork and ensure that the axle is properly into its slots.
F
Tighten the axle.
The tyre pressure should be 2.5 kg/cm
2
.
5.13 Changing the seals on the hydraulic rams
Figure 5.24
NOTE!
During service work on the hydraulic system, the wing sections and the drill must be fully
lowered, with no pressure in their hydraulic systems
Remove the rams completely from the drill before changing the seals.
A
Loosen and unscrew the piston rod guide (A) using the special tool (B).
B
Withdraw the piston rod and change the seals. In the event of external leakage, change the inner
and outer seals on the piston rod guide (A). In the event of internal leakage, change the seals
on the piston (C).
C
Refit the ram.
In the event of external leakage, also check that the rams two external connections have flat and
smooth surfaces.
Содержание Rapid RDA 400S
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