Hakki Pilke 55 PRO Manual page 41

Figure 57:
E is the saw valve (activates chain
rotation)
F is the pumps' sectional valve with
the following pressure values:
- Measuring point F1: Max 220
bar for the larger hydraulic
pump
- Measuring point F2: Max 250
bar for the middle pump
- Measuring point F3: Max 250
bar for the smallest pump
Note! The values cannot be
adjusted. The size of the
measuring points is 1/4".
Figure 58:
G is the log press valve.
H is the feed stop valve (if the bar is
not up, the timber feed is stopped)
I is a relief valve
J is the return oil manifold
K is the base plate for pressure relief
valves:
- pressure relief valve chain
tensioner: 18 bar (inner)
- pressure relief valve: saw bar
lowering 20–25 bar (outer)
L is the control valve for
pressure reducers
N (behind the hose) is a pressure relief
valve for lowering the saw bar. The
adjustment value is 20–25 bar.
M (behind the hose) is a pressure relief
valve for the chain tensioner. The
adjustment value is approx. 18 bar.
Hakki Pilke 55 Pro
41 / 48
Translation
Figure 57.
Figure 58.
Version 3-2022