Parker 590 series, Owner'S Manual

Page: 17 / 28

Parker Hannifin Corporation
Chelsea Products Division
Olive Branch, MS 38654 USA
13
Bulletin HY25-1590-M1/US
Owner’s Manual
Caterpillar
PTO Installation (Reference Page 14 )
4. Install studs (
1) to the transmission as shown.
CAUTION: Do not bottom out studs in holes.
5. Install until shoulder is approximately one to two threads from the
transmission mounting surface.
NOTE: To verify correct installation, measure from end of stud to transmission
mounting surface. Correct length should be between 1.31 - 1.25 in.
[33.2 - 31.8 MM]
6. Install pressure switch into Power Take-Off (PTO) – Torque to 10 - 12 lbs-ft
[13-16 Nm]
7. Position the PTO solenoid between 3 o’clock and 6 o’clock position when
viewed from rear.
8. Mount PTO to transmission using gasket ( 2) and flange nuts (3) provided with
PTO.
9. Tighten and torque flange nuts ( 3) in a crossing pattern to 50 - 60 lbs-ft
[75 - 71 Nm]
10. Install the 90° elbow in the transmission pressure port ( 4).
11. Connect hose (
5) to the transmission port, connect other end of the hose to
the PTO 90° elbow located near the PTO solenoid.
12. Remove the 2-Bolts (
6) on the transmission and use them to attach
bracket ( 7). Apply blue thread locktite before re-installing bolts. Torque to
74 +/- 15 lbs-ft [100 +/- 20 Nm]
13. Attach the bracket to the PTO output flange ears with the two screws
provided. Torque to 20 - 25 lbs-ft [27 - 34 Nm]
14. See page 15 for Electrical & Hydraulic Installation.
Mounting the PTO on the CAT Transmission (continued)
Installation Instructions