MVH128GH PLATE COMPACTOR • OPERATION AND PARTS MANUAL — REV. #0 (03/08/18) — PAGE 27
4. Drain the hydraulic oil from the pump.
5. After the oil is drained, attach the hydraulic hose again
to the cylinder on the vibrator side.
6. Pour hydraulic oil (300 cc) to the hydraulic pump
breather plug attachment hole (Figure 28).
7. Remove the air releasing plug of vibrator cylinder. Oil
will then come out from the air releasing plug. After air
bubbles stop coming out, reattach the plug. Tighten
securely (Figure 29).
8. In case the air bleeding is insufficient, repeat step 7.
9. Attach the hydraulic pump breather plug and put on
the plug cap. After making sure the hydraulic oil in the
pump is at OIL LEVEL, attach the breather plug.
SPARK PLUG
1. Remove and clean spark plug (Figure 30) with a wire
brush if it is to be reused. Discard spark plug if the
insulator is cracked or chipped.
2. Using a feeler gauge adjust spark plug gap to
0.028 ~0.031 inch (0.7~0.8 mm).
3. Thread spark plug into cylinder hole by hand to prevent
cross-threading, then tighten securely.
Figure 30. Spark Plug Gap
V-BELT
Visually examine the V-belt (Figure 31) and determine if it
is full of tiny cracks, frayed, has pieces of rubber missing,
is peeling or otherwise damaged.
CAUTION
DO NOT exceed OIL LEVEL of hydraulic oil. If the level
is higher, oil will burst out from the breather plug.
NOTICE
NEVER use a spark plug of incorrect heat range.
GAP
.028 - .031 IN.
(0.7- 0.8 MM.)
MAINTENANCE
Also, examine the belt and determine if it is
oil soaked
or
"
glazed
" (hard shiny appearance on the sides of the belt).
Either of these two conditions can cause the belt to run hot,
which can weaken it and increase the danger of it breaking.
If the V-belt exhibits any of the above wear conditions
replace the V-belt immediately.
Figure 31. V-Belt Inspection
SPARK ARRESTER CLEANING
Clean the spark arrester every year or 100 hours.
1. Remove the 4 mm screws (3) from the exhaust
deflector, then remove the deflector (Figure 32).
2. Remove the 5 mm screws (4) from the muffler protector,
then remove the muffler protector.
3. Remove the 4 mm screws from the spark arrester, then
remove the spark arrester.
Figure 32. Spark Arrester Removal
GLAZED
OIL SOAKED
BROKEN
CORD FAILURE
CRACKS
MISSING RUBBER
SIDEWALL
WEAR
WORN BACK
COVER
4 MM
SCREW
5 MM
SCREW
MUFFLER
PROTECTOR
5 MM
SCREW
SPARK
ARRESTER
4 MM
SCREW
Содержание MVH128GH
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