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MQ-MIKASA MDR-9GH VIBRATORY ROLLER — OPERATION AND PARTS MANUAL — REV. #0 (12/17/03) — PAGE 27
HYDRAULIC OIL FILTER CHECK
1. The hydraulic oil filter should be replaced after first 25 hours
of operation.
2. After first replacement, it should be replaced after 250 hours
operation (2 months), every 500 hours of operation
(4 months), and every 1,000 hours of operation thereafter.
3. When the suction resistance exceeds 254 mmHg
(oil temperature in operation is 140 degrees F), replace
filter.
4. To remove the oil filter, wind a cloth around the filter to prevent
slipping (Figure 33).
5. Tie a rope securely around the filter (Figure 33).
Figure 33. Cloth and Rope Around Filter
Figure 34. Filter Removal
Use only genuine Mikasa
replacement oil filters (10
micron filter paper. Do not use
automobile-type oil filters.
NOTE
HYDRAULIC OIL CHECK
1. Check for any oil leakage from the hoses and joints daily.
2. Check hydraulic oil level every 4 to 5 hours after starting
operation.
3. After one week of operation, check hydraulic level twice a
day .
4. After two weeks of operation, check hydraulic level once a
day .
5. Replace hydraulic oil after first 200 hours and in every 1,000
hours of operation.
REPLACING HYDRAULIC OIL
1. Change the hydraulic oil every 1,000 to 1,500 hours of
operation. Change the hydraulic oil more often in high
ambient temperature operation.
2. Remove the drain plug and hose tank and drain the hydraulic
oil.
3. Reinstall the drain plug to the oil tank.
4. Open the tank cap (Figure 32) and fill tank with hydraulic oil.
(Capacity: About 4.5 gallons). Use
Shell Tellus Oil #46
or
equivalent.
5. After filling tank, tighten the tank cap firmly with a wrench.
Figure 32. Hydraulic Oil Change
MDR-9GH — MAINTENANCE
Make sure hydraulic oil is at a normal safe
operating level. DO NOT over fill.
CAUTION:
CAUTION:
Make sure that dust , water, and other foreign
objects do not enter tank. It is recommended
to filter the oil through a cloth.
6. Forcibly pull the rope to remove the filter (Figure 34).
7. Immediately replace with new filter, screwing it on by hand
to avoid hydraulic oil leak.