C8 Maintenance 2. General Maintenance
C Series Maintenance Manual Rev.2 187
2.3.2 Joint #1 Reduction Gear Unit
(Ceiling Mounting, Wall mounting)
Remove the base grease inlet cover.
Hexagon socket flat head bolts: 4-M3×6
Remove the O-ring located in the base groove.
Remove the grease
grease inlet located inside the base.
Attach the grease line extension jig and grease
nipple to the Joint #1 grease inlet.
Inject grease from the grease nipple using a
grease gun.
Grease: SK-1A
Grease amount: 11g
Remove the grease nipple and grease line
extension jig from the Joint #1 grease inlet.
Attach the grease plug to the Joint #1 grease
inlet.
If the grease plug is damaged or deteriorated,
replace it with a new one.
Apply a thin coat of grease (SK-1A) to the O-ring.
Fit the O-ring into the base groove.
Do not allow the O-ring to come out of the groove.
If the O-ring is swollen, damaged, or deteriorated, replace it with a new one.