BOXER KING 5600 - Page 86

Service Manual 04/2010 Rev.B
86
IMPORTANT!
SOMETIMES THE NOISY IS CAUSED BY A
BAD REGULATION OF THE JOINTS.
WHEN THEY ARE NOT WELL REGULATED
THE MOTOR FAN STOPS VERY QUICKLY.
TO REPLACE THE HYDRAULIC PUMP:
 Switch the machine on.
 Open all cylinders completely.
 Switch the machine off.
 Take a cleaned recipient.
 Disconnect the machine from power supply.
 Remove the hydraulic motor (5.5).
 Remove the 4 reservoir screws and take it
out.
 Remove the screws #1 and #2 and take the
pump out (Fig.169).
Fig.169
IMPORTANT!
BEFORE REPLACING THE PUMP VERIFY IF
THE O RINGS #1 , #2 (FIG.170) AND THE SEAL
#3 (FIG.171) ARE FINE.
 BREAKAGE OF O RING #1 (FIG.170) MAY
CAUSE SLOW HYDRAULIC MOVEMENTS
AND LOW HYDRAULIC POWER.
 BREAKAGE OF O RING #2 (FIG.170) MAY
CAUSE OIL LEAKING FROM THE
ALUMINIUM MOTOR SPACER.
 BREAKAGE OF SEAL #3 (FIG.171) MAY
CAUSE OIL LEAKING FROM THE
ALUMINIUM MOTOR SPACER.
Fig.170
Fig.171
TO REPLACE THE SEAL #3 (FIG.171):
1. Remove the bolts #4 (Fig.171) and open the
pump unless take out the pump roots
(Fig.172).
Fig.172
2. Remove the Seeger ring from the cover.
3. Push the defective seal out.
4. Grease the seal side and install carefully the
new seal.
5. Install the seeger ring.
6. Replace also the two pump inner seal.