Bush-hog 765H Bedienungsanleitung PDF herunterladen (Seite 37)

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-

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

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