Hydraulic system pump control
The control lever has two positions:
• “Pump ON” – upper position;
• “Pump OFF” – lower position.
IMPORTANT! Switch on the pump only at
the minimum rotational speed of the en-
gine idling. Disengage the pump when
starting the cold engine and maintenance.
Control of the hydraulic system dis-
tributor (external cylinder)
Each of three arms controls the external
cylinders and has four positions:
• “Neutral” – lower mid position (fixed);
• «Lifting” – lower non-fixed position.
When releasing the arm, it returns to
“Neutral” (for the distributors Р80-3/4-
111; РП-70 -1221; РП-70-1221С;
RS213 Mita; RS213 MTZ). For the dis-
tributors Р80-3/4-222, this position is
fixed. The handles are returned auto-
matically to the “N e utral” position at the
pressure of 15.5…20 MPa.
• “Forced lowering” – upper mid non-
fixed position between the “Floating”
and “Neutral” ones. On releasing the
arm, it automatically returns to “Neu-
tral”;
• “Floating” – upper fixed position.
NOTE: If any distributor arm is put into
the “Lifting” or “Lowering” position, the
operation of the power governor in the
automatic control, lifting and lowering
modes is interrupted.
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