Great Plains PTO Kits Single-Section - Manual (Page 12)

401-885M Table of Contents Index 2014-06-16
8 Single-Section PTO Pumps Table of Contents Index Great Plains Manufacturing, Inc.
PTO Operation
Tractor Requirements
Tractor requirements are different for 540 rpm pumps
(below) and 1000 rpm pumps (page 9).
540 rpm Tractor Requirements
The 540 rpm Air-Pro
®
PTO pump accessories require a
tractor with:
Refer to Figure 2
• a rear-facing ASABE or ASAE Type 1 PTO stub
shaft with master shield
shaft: 1
3 ⁄
8
inch (35 mm) 6-spline,
clockwise rotation (as viewed from tractor rear, facing
forward),
• a “live” or “independent” PTO drive system, that can
be operated with the tractor stationary,
• a fixed or available shaft speed of 540 rpm, and an
available PTO power output of 5 hp (3.7 kW),
• a drawbar that engages the torque arm of the PTO
pump assembly, and
• a chain anchor point - a stable, non-moving
component of the tractor, within reach of the pump’s
torque arm chain.
540 rpm PTO Clearance
If the tractor PTO is not known to conform to Type 1
specifications, check the following pump-specific
clearance dimensions:
Refer to Figure 3
a.
Shaft to master shield top:
3.5 inches (8.9 cm) minimum
or hinged lid
b. Shaft to master shield sides:
5.0 inches (12.7 cm) minimum
c. Shaft to drawbar top:
9 inches (22.8 cm) minimum
15 inches (38.1 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
5
7
8
6
Figure 2:
Tractor PTO
34618
5 6
7
a
b
c
d
Figure 3:
Tractor PTO Clearances
34623
818-130C Rev. B
To avoid Injury or
Machine Damage:
*Operate only with
540 rpm PTO
CAUTION
8