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PAGE 28 — MVH408GH PLATE COMPACTOR • OPERATION AND PARTS MANUAL — REV. #0 (03/25/14)
MAINTENANCE
SPARK PLUG
1. Remove and clean spark plug (Figure 32) 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 32. Spark Plug Gap
V-BELT
Visually examine the V-belt (Figure 33) and determine if it
is full of tiny cracks, frayed, has pieces of rubber missing,
is peeling or otherwise damaged.
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 33. V-Belt Inspection
NOTICE
NEVER use a spark plug of incorrect heat range.
GAP
.028 - .031 IN.
(0.7- 0.8 MM.)
GLAZED
OIL SOAKED
BROKEN
CORD FAILURE
CRACKS
MISSING RUBBER
SIDEWALL
WEAR
WORN BACK
COVER
SPARK ARRESTER CLEANING
Clean the spark arrester every year or 100 hours.
1. Remove the 4 mm screw (3) from the exhaust deflector,
then remove the deflector. See (Figure 34).
2. Remove the 5 mm screw (4) from the muffler protector,
then remove the muffler protector.
3. Remove the 4 mm screw from the spark arrestor, then
remove the spark arrester.
Figure 34. Spark Arrester Removal
4. Carefully remove carbon deposits from the spark
arrester screen (Figure 35) with a wire brush.
Figure 35. Cleaning The Spark Arrester
5. If the spark arrester is damaged and has breaks or
holes, replace with a new one.
6. Reinstall the spark arrester and muffler protector in
reverse order of disassembly.
SPARK
ARRESTER
DEFLECTOR
MUFFLER
PROTECTOR
5MM SCREW (4)
4MM SCREW (3)
4MM SCREW (1)
SPARK
ARRESTER
SCREEN
WIRE
BRUSH