MVH-200DA2 PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #0 (01/27/06) — PAGE 23
MVH-200DA2 — MAINTENANCE
Replacing Hydraulic Oil
1. Remove the hydraulic hoses (left and right) which enters the
cylinder of the vibrator from the hydraulic pump and move
the travel lever back and forth to drain the hydraulic oil from
the pump.
Make sure hydraulic oil i is at a normal safe operating level.
DO NOT
over fill. Over filling (excessive oil) will cause excess
oil to blow out of breather plug.
Figure 21. Hydraulic Oil Maintenance
When removing the bleed valve,
NEVER
loosen the M8 nut on
its end. A copper packing is used underneath the bleed valve,
therefore care should be taken not to drop it into the pump. Make
sure to remove it together with the bleed valve.
DO NOT
allow
dust or trash to enter the hand compactor.
Figure 22. Hydraulic System
2. After draining, reinstall the hydraulic hoses and lock the travel
lever to the sub-handle at reverse side (at
MAXIMUM
position), using a rope.
3. Remove the reservoir cover at the top of the pump (Figure 21).
Remove the bleed valve assembly within the pump using a
17 mm box wrench.
4. Remove bleed plug at the cylinder of the vibrator (right belt
cover side, forward travel circuit) (Figure 22). After a while, oil
will flow out of the bleed plug. When aeration disappears,
reinstall the plug, tightening it securely.
CAUTION - Filling the Hydraulic Oil Reservoir
CAUTION - Removing the Bleed Valve
5.
Filling the forward travel circuit with oil
.
a. With the rope removed from the travel lever, move the
lever slowly up and down while adding oil into the hand
pump. Use Shell Tellus Oil #46 or equivalent.
b. Moving it about 10 times causes the forward resistance to
increase. When the resistance has considerably
increased, with the travel lever remaining on the reverse
side, install the bleed valve assembly loosely inside the
pump to prevent oil splash.
c. Push the travel lever forward all the way. The valve inside
the spool will activate to push out the aerated oil reverse
circuit.
d. With the bleed valve assembly removed, repeat step c,
two to three times.
Summary of Contents for Mikasa MVH-200DA2
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