Table of Contents
Advertisement
×1
24mm
200Nm
140Nm
Internal hydraulics & booster
×1
12mm
DCR 300
55 Nm
×1
27mm
20 Nm
1. PRINCIPAL INTERNAL
COMPONENTS
(a) hydraulic swivel (male unit)
(b) hydraulic swivel (female unit) and
normal pressure manifold (200 bar)
(c) pressure booster: 2,5/1
(d) high pressure (500 bar) hydraulic
manifold
Hydraulic manifold
2. Preparations
• remove manifold as described on
previous page
• plug or cover connector openings
• have absorbent and vessels at hand
to collect fluid spill
COMPONENTS
high pressure manifold (d)
(e) end plug
(f) pilot operated check valve
(g) check valve
(h) check valve special tool (see Tools
section – last chapter)
(i) end plug
REMOVAL OF VALVES
High pressure manifold
3. Secure manifold in vise and remove the
external valve
– socket: 24mm,
¾
" drive
4. Take out the end plug
– collect hydraulic fluid spill
– check O-ring: replace if defect
Pilot operated check valve
5. Remove the internal Pilot operated
check valve
– 12mm Allen key
6. Lift out the valve
– take care of hydraulic fluid spill
– check O-ring: replace if defect
Check valves
There are two check valves (g); one be-
hind the pilot operated check valve (f)
and one plug (I) behind.
• unscrew plug (i):
τ
– 27mm spanner /
• unscrew check valve
– use special plug tool (h)
Continue on next page
16
=55Nm
39
Advertisement
Table of Contents
