Valley Rainger Linear - Center Drive Gearmotor Maintenance

Rainger Linear 75
MAINTENANCE
Center Drive Gearmotors
Helical Gearmotor
After EACH season of operation, change the oil in all
of the helical gearmotor gearboxes.
1. Remove the drain plug and the fill plug. Drain the
oil and install the drain plug. See Figure 75-1.
NOTE
• Use only Valley Gear Lube. Other brands
of lubricants may contain corrosive
extreme pressure additives, which may
damage bronze worm gears.
2. Fill the gearbox 1-7/8 in (48 mm) from the bot-
tom of fill plug hole with Valley Gear Lube. The
capacity of the gearbox is approximately 44 oz
(1.3 liter). See Figure 75-1.
NOTE
• OIL LEVEL SHOULD BE 1-7/8 IN (48 MM)
BELOW FILL PLUG WHEN FULL.
!
WARNING
• INPUT SEAL FAILURE CAN OCCUR IF
OIL CAPACITY IS EXCEEDED.
Worm Gearmotor
After EACH season of operation, change the oil in all
of the worm gearmotor gearboxes.
1. Remove the drain plug and the fill plug. Drain the
oil and install the drain plug. See Figure 75-2.
NOTE
• Use only Valley Gear Lube. Other brands
of lubricants may contain corrosive
extreme pressure additives, which may
damage bronze worm gears.
2. Fill the gearbox to within 1/2 in (12.7 mm) of the
bottom of the fill plug hole with Valley Gear Lube.
The capacity of the gearbox is approximately 1
quart (0.9 liter). See Figure 75-2.
2
1
3
4
Figure 75-1 1. Drain Plug
2. Fill Plug
3. Oil Level
4. Bottom of Fill Plug Hole
1
2
3
Figure 75-2 1. Drain Plug
2. Fill Plug
3. Oil Level