1000 rpm type 3 pto clearance, Install coupler, Caution – Great Plains PTO Kits 2-3-Section User Manual
Page 13: Ab c d
Great Plains Manufacturing, Inc.
PTO Operation
9
2014-09-10
411-015M
1000 rpm Type 3 PTO Clearance
If the tractor PTO is not known to conform to Type 3
specifications, check the following pump-specific
clearance dimensions:
Shaft to master shield top:
5.9 inches (15.0 cm) minimum
or hinged lid
b.
Shaft to master shield sides:
7.0 inches (17.8 cm) minimum
c.
Shaft to drawbar top:
8.6 inches (22.0 cm) minimum
13.75 inches (35.0 cm) maximum
It may be necessary to invert an offset drawbar, or
relocate or remove any clevis installed on the
drawbar.
d.
Shaft to ground:
16 inches (40.6 cm) minimum
Install Coupler
The 1000 rpm PTO kits require one of two
tractor-specific couplers, not included with the PTO kit:
826-777C 1 3/4-20 PTO COUPLER
826-778C 1 3/8-21 PTO COUPLER
Refer to Figure 5 (showing coupler 826-778C)
1.
Loosen both set screws (
and
) at the narrow
end of the coupler. Note that they are different sizes.
2.
Rotate the coupler until the internal keyway aligns
with the key on the pump shaft. Slide the coupler
onto the pump shaft.
3.
Tighten both set screws to the Grade 5 torque
specification for each thread size.
To remove or exchange a coupler at a later time, first
dismount the pump assembly from the tractor PTO shaft,
then loosen both set screws.
a
b
c
d
Figure 4:
Type 3 PTO Clearances
34845
818-240C Rev. A
To avoid Injury or
Machine Damage:
·Operate only with
1000 rpm PTO
CAUTION
Figure 5:
Secure Coupler to Pump
36315
258
257
258