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PAGE 18 — MVH408GH PLATE COMPACTOR • OPERATION AND PARTS MANUAL — REV. #0 (03/25/14)
V-BELT INSPECTION
Visually examine the V-belt (Figure 8) 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 referenced wear conditions
replace the V-belt immediately
Figure 8. Drive Belt Inspection
V-BELT TENSION
The V-belt tension is proper if the V-belt bends 10 to 15 mm
(Figure 9) when depressed with finger at midway between
the clutch and vibrator pulleys.
Figure 9. V-Belt Tension
GLAZED
OIL SOAKED
BROKEN
CORD FAILURE
CRACKS
MISSING RUBBER
SIDEWALL
WEAR
WORN BACK
COVER
CORRECT V-BELT
TENSION 10-15 MM
WHEN DEPRESSED
AS SHOWN.
V-BELT
CLUTCH
PULLEY
VIBRATOR
PULLEY
INSPECTION
VIBRATOR OIL CHECK
1. Place the plate compactor horizontally on a flat surface.
Make sure the compactor is level when checking the
oil in the vibrator assembly.
2. Check vibrator oil level by removing the oil plug (vibrator
oil gauge) as shown in Figure 10. Clean the oil gauge
and re-thread back in. Remove the oil gauge again and
confirm oil level does not exceed the cross hash of the
oil plug. DO NOT OVERFILL
3. The vibrator holds approximately 20.3 oz. (600 cc).
IMPORTANT, if oil is required, replace using only SAE
10W-30 motor oil.
Figure 10. Vibrator Oil Check
HANDLE BAR
The height of the handle bar can be adjusted for ease of
use. Adjust the handle height as follows. Refer to Figure 11.
1. Loosen the wing nut.
2. Turn the grip clockwise to raise the handle or
counterclockwise to lower the handle.
3. When the handle bar is raised to the desired height,
tighten the wing nut.
Figure 11. Handle Height Adjustment
Effective
Oil gauge
(19mm wrench)
Drain plug
(14mm wrench)
Grip
Wing nut