Valley Center Pivot 7000 Series, Руководство пользователя, Страница: 67 / 106

Center Pivot 7000, 8000, 8120 Series 67
MAINTENANCE
Center Drive Gearmotors 8000/8120 Series
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 67-1.
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 67-1.
NOTE
• OIL LEVEL SHOULD BE 1-7/8 IN (48 MM) BE-
LOW FILL PLUG WHEN FULL.
Special Dipstick for Checking Oil Level:
• The dipstick is not part of the gearmotor plug.
• Remove gearmotor plug and insert dipswitch
to check oil level.
» Low oil condition would be no oil on stick.
» High oil condition would be oil above the
indicator hole.
• Dipstick part number is 0998886.
!
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 67-2.
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 67-2.
2
1
3
Figure 67-1 1. Drain Plug
2. Fill Plug
3. Oil Level
4. Bottom of Fill Plug Hole
1
2
3
Figure 67-2 1. Drain Plug
2. Fill Plug
3. Oil Level
4