PTO PUMP & RESERVOIR KIT INSTALLATION

 

 

General Description CBH70

7. Reinstall Filter Element to the Filter Base.

 

4.5 GPM Pump

 

 

8. Assemble Pump P late ( 26) to Pump

(11) using

 

The PTO Pump Kit consists of those par ts required

two 3/8” NF x 1-3/4 ” Bolts (1), Lockwashers (8), and

 

to power the backhoe from the tractor’s PTO shaft. It

Nuts (4 ). P ump Plate may have to be readjusted

 

includes the PTO pump and adapter, reservoir, filtra-

later when inst alled on t ractor PTO Shaft. The P late

 

tion s ystem, hyd raulic hoses, and fittings. In addi -

may need to be turned 180 degrees to provide prop-

 

tion, it includes a pump pla te which attaches to the

er e ngagement with tractor drawbar and h ave ade -

 

tractor’s dra wbar and keeps the pump from t urning

quate clearances.

 

 

with the PTO shaft.

 

 

9. Slide PTO Adapter (19) onto pump shaft, allowing

 

NOTE: The speed of the backhoe operation increas-

1/8” clearance between Adapter (19) in pl ace using

 

es as PTO speed increases.

 

two Setscrews (9) and 5/16” NC Nuts (2).

 

 

Assembly

 

 

10. Assemble Suction Hose (12) to Pump (11) using

 

 

 

Reducer F itting (1 5) an d 90 D egree Barbed Fitti ng

 

IMPORTANT - When installing hoses and fitt ings

(16) Secure Hose using Hose Clamp.

 

 

always use thread sea lant in permanent connec -

11. Connect 36” H ydraulic Hose (21) to Inlet Li ne

 

tions. Do not use thread sealant in union ends of

steel oil line located under Left Hand Foot Pad area

 

adapters. Do not

over tighten fittings - t hey can

of the backh oe mainframe. Co mplete connection to

 

split or expand, causing leakage.

Pump using 90 Adapter Union (14).

 

 

IMPORTAN T - Ha ve a sui table ho ist avail able

IMPORTANT - If hoses are connected incorrectly,

 

before proceeding with loader setup.

serious damage to the backhoe valve will result.

 

1. Assemble Filler Tube (27) and B reather Cap with

12. NOTE: Initial fill up of Reservoir Tank will require

 

Dipstick (28) to Reservoir Tank (20).

4-1/2 gallons of fluid. Fill Reservoir with recommend-

 

2. Assemble Reser voir Tank (20) to backhoe main -

ed fluid to corr ect level; refer to Service

Section in

 

frame using 5/16” NF Locknuts (3).

the Backhoe Manual.

 

 

3. Preassembly of Filter Base and Element (22):

13. Install the backhoe to the t ractor at this time fol -

 

lowing the ins tallati on pro cedure in the

Attaching

 

Remove Filter El ement from b ase t o e ase installa -

Section of the manual.

 

 

tion. Assemble Pipe Nipple ( 5) to “Inlet” por t on filter

14. Sli de co mplete Pump a ssembly on to the PTO

 

base (22).

 

 

shaft o f th e tracto r, ma king su re locki ng c ollar on

 

Assemble 90 Degree Adapter Union ( 13) to “Outlet”

PTO Adapter has locked into position.

 

 

port on filter base (22).

 

IMPORTANT - Make sure kinks DO N OT develop

 

4. Assemble Filter Base (22) to R eservoir Tank (20)

in a ny of the li nes. Suct ion hose can be short -

 

using 90 Degree Pipe Elbow (7) and 45 Degree Pipe

ened to prevent this problem.

 

 

Elbow (6).

 

 

! CAUTION

 

 

NOTE - Change Filter Element (29) every time oil is

 

 

changed.

 

 

DO NOT REMOVE THE TRACTOR PTO SHIELD!

 

5. A ssemble Suction Hose (12) to s traight B arbed

15. Pump Plate (26) may be adjusted (turned front to

 

back or bottom to top) on Pump (11) for proper fit-up

 

Fitting (17) using Hose Clamp (18). C onnect assem-

to tractor drawbar or three p oint mount if necessary.

 

bly to 90 Degree Adapter Union (13) installed earlier

The o ptimum p osition is to have t he plate pointin g

 

on the Filter Base and Element (22).

down and o ver the drawbar with the offset towards

 

6. Install 9 0 De gree Adapter

Uni on ( 25) top upp er

the tractor. Refer to illustration.

 

 

port o n Reservoir

Tank (2

0). Inst all 9 0 Degree

An alternate position for the Pump Plate may have it

 

Adapter Union (24) to Retu rn Line “Check Valve” in

 

upper steel oil line located under Left Hand Foot Pad

pointed upwards an d reta ined b y t he U pper Bar of

 

area of the ba ckhoe mainframe. Complete return

the Th ree Point Mount Kit. Whatever

position is

 

line connection to Rese rvoir T ank usi ng Steel Oil

selected, it is importa nt that the pump be rest rained

 

Line (23).

 

 

from rotating. Refer to illustration.

 

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Bush Hog CBH80, CBH60 manual PTO Pump & Reservoir KIT Installation, General Description CBH70, GPM Pump

CBH60, CBH70, CBH80 specifications

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