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MVH-120GH — OPERATION AND PARTS MANUAL — REV. #03 (10/24/07) — PAGE 21
MVH-120GH — MAINTENANCE
2. After draining, reconnect the hydraulic hose to vibrator.
3. Fill oil through breather hole of hand pump. (capacity: about
300 cc). Use
Shell Tellus Oil #46
or equivalent.
4. Removing breather plug at vibrator cylinder causes oil to
flow out of breather hole in a while. When aeration
disappears, replace the plug and tighten securely.
5. Replace breather plug of hand pump and fit the plug cap.
After making sure that oil in pump is at proper level, replace
the breather plug.
Figure 17. Hydraulic Hose
Hydraulic Oil
Check hydraulic oil in every 100 hours of operation. With handle
bar positioned vertically (storage position), remove breather plug
(Figure 1) off the top of hydraulic pump and check for proper oil
level.
Replace hydraulic oil after first 200 hours and in every 1,000
hours of operation.
Replacing Hydraulic Oil
1. After removing plug cap of hand pump (Figure 6), remove
plug of breather (24 mm wrench) and disconnect vibrator
side of hydraulic hose (Figure 17) at vibrator cylinder. With
travel lever placed in the
FORWARD
position, drain
hydraulic oil in the pump.
Troubleshooting
See Tables 7 (engine) and 8 (plate compactor) for engine and
plate compactor troubleshooting guide.
Make sure hydraulic oil in hand pump is at a normal save
operating level. DO NOT over fill. Over filling (excessive oil)
will cause excess oil to blow out of breather plug.
CAUTION