Table of Contents
Advertisement
MAINTENANCE
HYDRAULIC SYSTEM - CHANGE OIL, REPLACE
SUCTION STRAINERS AND PULSATION DAMPER
Vent Suction Oil Reservoir and Hydraulic Pumps,
illustration Z25014A
1. Loosen vent plugs (A1 and A2) of suction oil reservoir (1).
Retighten vent plugs (A1 and A2) when the outflowing oil is
free of air bubbles.
2. Vent main pump (2) by opening first vent plug (B) at the suc-
tion pipe just below the pump flange. When the outflowing oil
is free of air bubbles close vent plug (B). Open vent valve (C)
and loosen leakage oil line connector (D). Retighten (C) and
(D) when the outflowing oil is free of air bubbles.
3. Vent main pump (3) by opening first vent plug (B) located at
the RH side of the suction pipe just below the pump flange.
When the outflowing oil is free of air bubbles close vent plug
(B). Open vent valve (C) and loosen leakage oil line connec-
tor (D). Retighten (C) and (D) when the outflowing oil is free of
air bubbles.
4. Vent oil cooler fan drive pump (4) by loosening leakage oil
line connector (E). Retighten (E) when the outflowing oil is
free of air bubbles.
5. Vent control oil pump (5) by loosening vent plug (F) at the
suction line flange. Retighten (F) when the outflowing oil is
free of air bubbles.
6. Vent main pump (6) by opening first vent plug (G) at the suc-
tion pipe just below the pump flange. When the outflowing oil
is free of air bubbles close vent plug (G). Open vent valve (H)
and loosen leakage oil line connector (J). Retighten (H) and
(J) when the outflowing oil is free of air bubbles.
7. Start the engine and run at low idle for five minutes. Stop the
engine.
8. Loosen vent valves (C and H) of main pumps (2, 3 and 6) by
one or two turns and close the valves when the outflowing oil
is free of air bubbles.
9. Check hydraulic oil level and the whole hydraulic system for
leakage.
10. At the first start up after an oil change carry out several oper-
ating cycles of all hydraulic movements without load. Operate
the cylinders slowly. Do not operate the cylinders to stroke
end.
REMARK
After changing the oil of the PTO gear vent the PTO lubrica-
tion pump (7) by opening vent plug (K) at the suction hose flange.
Retighten (K) when the outflowing oil is free of air bubbles.
4.13 EVERY 2000 OPERATING HOURS OR YEARLY
411
Advertisement
Table of Contents
