PRONAR PRONAR 5110, Operator'S Manual

Page: 65 / 122

Section 5: USING THE TRACTOR
5-17
A
A1
A
B
C
1
D
2
A1
B1
C1
B*
B1*
Figure 5-22 External hydraulic quick couplers.
A-A1 – first pair of quick couplers from front and rear of tractor; B-B1 – second pair of quick couplers; B*-
B1* – fourth pair of quick couplers (optional); C-C1 – third pair of quick couplers; D – "free drain” quick
couplers; A,B,C - supplying quick coupler; A1,B1,C1 - return quick coupler;
1 - flow regulator knob of first pair of quick couplers; 2 – valves applying single or double action
1
2
First pair of quick couplers A-A1 (Figure 5-22) regulates oil
stream flow with the aid of selector knob 1 (Figure 5-23). On the
knob is a scale from 0 to 9. To increase turn knob so that greater
values are visible on scale. If after turning knob lower value shall
be visible, then flow concentration is reduced.
Figure 5-23 Flow regulation knob 1 and valves 2 applying single or double action.
Connecting hydraulic conduits check that they are clean. Connecting dirty conduits causes the
hydraulic system tank of your tractor to be contaminated, which may (despite filters installed) cause
malfunction of the tractor's hydraulic system (pump, distributor etc).
ATTENTION: Ensure that oil in cylinders is clean and of the appropriate grade.
Connecting single acting cylinders
In connecting single acting cylinders (e.g. trailer) to quick coupler supply sockets A, B or C then adjust
valve 2 (Figure 5-23) to single acting. To do this loosen securing nut, and then using screwdriver screw out
valve 2 placed below quick coupler to which single acting cylinder shall be connected and again secure
tightening securing nut. Then returning quick coupler is directly connected to drain tank.
Then raise cover and plug in single acting cylinder conduit to supplying quick coupler ensuring that it is
properly seated. Check of the conduits have enough slack enabling turning the tractor or implement in both
directions. Start control lever, to supply oil under pressure to complete the process of engaging tractor and
implement hydraulics.