Multiquip manual MVH-120GH Maintenance, MVH-120GH Operation and Parts Manual REV. #3 10/24/07

Engine Oil Replacement:

1.Replace engine oil, first in 20 hours of operation and every 100 hours afterwards.

2.Oil may be drained more easily when it is warm after operation (For more details, see separate HONDA Owner's Manual).

Air Filter

1.The air filter element should be cleaned because a clogged air cleaner can cause poor engine starting, lack of power and shorten engine life substantially.

Figure 16. Air Filter

2.To clean or replace air filter, loosen the wing nut on the air filter housing (Figure 16). Remove the cover and take out air filter cartridge. If only cleaning of the air filter is desired, blow through the air filter cartridge from the inside, moving a jet of dry compressed air up and down until all dust is removed.

CAUTION

NEVER attempt to check the V-belt with the engine run- ning. Severe injury can occur if your hand gets caught between the V-belt and the clutch. Always use safety gloves.

Checking and Replacing the V-Belt and Clutch

1.After 200 hours of operation, remove the upper belt cover to check the V-belt tension.Tension is proper if the belt bends about 10 mm when depressed strongly with finger between shafts. Loose or worn V-belts reduce power transmission efficiency, causing weak compaction and reducing the life of the belt itself.

MVH-120GH — MAINTENANCE

zReplacing the V-belt

Remove the upper and lower belt covers. Engage an offset wrench (13 mm) or the like to vibrator pulley (lower) fastening bolt. Engage waste cloth or the like at midway of V-belt on the left side and while pulling it back strongly, rotate the offset wrench clockwise so that the V-belt will come off.

zReinstalling the V-belt

Engage V-belt to lower vibrator pulley and push the V-belt to left side of upper clutch. In the same manner as in removal, rotate offset wrench clockwise so that the V-belt goes back on.

zChecking Clutch

Check the clutch simultaneously with V-belt checking. With belt removed, visually check outer drum of the clutch for seizure and "V" groove for wear or damage.Clean the "V" groove as necessary. Regularly check the lining or shoe for wear. If the shoe is worn, power transmission becomes deficient and slipping will result.

CAUTION

Wheneverthecompactor'svibrationbecomesweakorlost during normal operation regardless of operation hours, check theV-belt and clutch immediately.

Vibrator Oil Level Check

CAUTION

Always clean the area around the vibrator oil level check hole before removing oil check plug.This will prevent dirt and debris from entering the system.

1.In every 300 hours of operation, with the machine positioned horizontally, remove vibrator oil level check plug (Figure 5) off vibrator (14 mm wrench) and see if oil is up to filler port. Be sure to clean area around check hole to prevent dirt and dust from entering.

2.In every 300 hours of operation, replace oil (capacity 400 cc). For draining oil through level check hole, have the machine inclined with a sleeper or the like placed under the compaction plate on opposite side.

*Use engine oil 10W-30 for this lubrication.

PAGE 20 — MVH-120GH — OPERATION AND PARTS MANUAL — REV. #3 (10/24/07)