PTO PUMP AND RESERVOIR KIT
(Optional)
General Description
The PTO Pump Kit consists of those parts required to
power the backhoe from the tractor’s PTO shaft. It
includes the PTO pump and adapter, reservoir, filtra-
tion system, hydraulic hoses and fittings. In addition,
it includes a pump plate which attaches to the tractor’s
draw bar and keeps the pump from turning with the
PTO shaft.
Note: The speed of the backhoe operation increases
as PTO speed increases.
Assembly
Note: When installing hoses and fittings always use
thread sealant in permanent connections. Do not use
thread sealant in union ends of adapters. Do not over-
tighten fittings - they can split or expand, causing leakage.
1. Assemble filler tube (19) and breather cap with dip-
stick (18) to reservoir (16) as shown in Figure 25 & 26.
2. Assemble reservoir (16) to backhoe using locknuts (3)
as shown in Figures 25 & 26.
3. Preassembly of filter base and element (22):
Remove filter element from base to ease installation.
Assemble pipe nipple (26) to inlet port on filter base (22)
as shown in Figures 25 & 26.
Assemble 90 degree adapter union (5) to Outlet port on
filter base (22) as shown in Figures 25 & 26.
4. Assemble filter base (22) to reservoir (16) using 90
degree pipe elbow (28 or 29) as shown in Figures 25 &
26.
NOTE - Change filter element (11) every time oil is
changed.
5. Assemble suction hose (23) to straight beaded fitting
(21) using hose clamp (24). Connect assembly to 90
degree adapter union (5) located on filter base and ele-
ment (22) as shown in Figures 25 & 26.
6. Connect 15” long return line hose (17) to steel oil line
coming from the “OUT” port on backhoe control valve as
shown in Figures 25 & 26.
7. Complete return line connection to reservoir (16) using
pipe bushing (6), and 90 degree adapter union (12) as
shown in Figures 24 & 25. Reinstall filter element to filter
base (22)
8. Assemble Pump Plate (27) to pump (10), using hard-
ware provided (1, 4, 7), as shown in Figures 25 & 26.
Pump Plate may have to be readjusted later.
9. Slide PTO adapter (15) onto pump shaft allowing 1/8
inch between adapter and pump face and secure with
two setscrews (9), as shown in Figures 25 & 26, lock with
two nuts (2).
10. 4.5 GPM PTO PUMP KIT -
Assemble suction hose (23) to pump (10), using reduc-
35
er (14), 90 degree beaded fitting (20), and hose clamp
(24) as shown in Figure 25.
6.1 or 8 GPM PTO PUMP KIT -
Assemble suction hose (23) to pump (10), using reduc-
er (28), reducer (14), 90 degree beaded fitting (20), and
hose clamp (24) as shown in Figures 26.
11. 4.5 GPM PTO PUMP KIT -
Connect 36” long pressure line (25) to steel oil line com-
ing from the valve “IN” port fitting. Complete connection
to pump using 90 degree adapter union (13) as shown
in Figure 25.
6.1 or 8 GPM PTO PUMP KIT -
Connect 36” long pressure line (25) to steel oil line com-
ing from the valve “IN” port fitting. Complete connection
to pump usign 90 degree adapter union (12) and reduc-
er (13) as shown in Figures 26.
IMPORTANT - If hoses are hooked up incorrectly, seri-
ous damage to the backhoe valve will result.
12. NOTE: Initial fill up of the Reservoir Tank will require
4-1/2 gallons of fluid. Fill reservoir with recommended
fluid to correct level, referring to Service Section in the
Backhoe Manual.
13. Mount the backhoe to the tractor at this time follow-
ing the procedure in the Attaching Kit Manual.
14. Slide complete pump assemble onto the PTO shaft
and secure with lock pin on PTO adapter. Be sure kinks
do not develop in any of the lines. Suction hose can be
shortened to prevent this problem.
DO NOT REMOVE THE TRACTOR PTO GUARD
15. Pump Plate (27) may be adjusted (flipped front to
back or bottom to top) on pump (10) for proper fit-up to
tractor drawbar or three point mount if necessary. The
optimum position is to have the plate pointing down and
over the drawbar with the offset towards the tractor.
(Refer to illustration on following page)
An alternate position for the pump plate may have it
pointed upwards and retained by the Upper Bar of the 3-
Point Mount Kit. Whatever position is used by the Pump
Plate, it is important that the pump be restrained from
rotating. (Refer to illustration on following page)
IMPORTANT - When mounting backhoe on the adapter,
do not let the swing cylinders interfere with the backhoe
pump, or the hydraulic lines become tangled in any part
of the adapter during installation. Make sure both pres-
sure and suction lines are free from kinks or twists to
reduce back pressure and excessive heat built-up.
CAUTION
