Great Plains PTO Kits Single-Section - Manual (Page 16)

12 Single-Section PTO Pumps Table of Contents Index Great Plains Manufacturing, Inc.
401-885M Table of Contents Index 2014-06-16
Refer to Figure 9
7.
At least one full chain link must be exposed at the
slot
on the decal side of the torque arm plate.
If there are more than a few chain loops left at the
plate keyhole, route any excess chain through the
anchor point and/or around the drawbar.
8. Do NOT use any pins, cross-bolts or wires to secure
the pump to the PTO shaft. Such fasteners are not
required for safe pump operation, and would add a
needless entanglement hazard.
9. Pull and twist the pump assembly to verify that the
chain is sufficiently taut to prevent excess pump
rotation or sliding along the PTO shaft.
10. Complete normal planter hitching.
Hitching with 1000 rpm PTO
540 rpm hitching begins on page 11.
The 1000 rpm pump may be installed before or after
hitching the planter to the tractor.
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 10 (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.
858-005C All dr
iveline guards
, tr actor
and equipment shields in place
PT O pump assemb
ly securely
attached with torque ar
m and chain
RO
TATING DRIVELINE -
CONT
ACT CAN CA
USE DEA
TH
KEEP A
WA
Y!
DO NO
T OPERA
TE
WITHOUT
-
DANGER
7
Figure 9:
Secure Pump Chain
34627
7
Figure 10:
Secure Coupler to Pump
36316
211 243
244
210
211
243 244