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BX 80/23S Third Function Valve Kit

Installation Instructions

Before You  Start

General Information

Your BX Third Function Valve Kit

 

is exclusively designed 

for your Kubota 80 series BX tractors. Please read these 
installation instructions thoroughly before assembling 
this kit to your Kubota tractor and loader. Especially read 
information relating to safety concerns. 

These assembly instructions apply to the Third Function 
Valve Kit Accessories listed below:

• 380-339A: 3FVK FF BX2680. . . . . . . . . . . . . . .  page 2

• 380-289A: 3FVK PC BX2680  . . . . . . . . . . . . . .  page 5

Further Assistance

Your Land Pride dealer wants you to be satisfied with your 
new BX Third Function Valve Kit. If for any reason you do 
not understand any part of this manual or are not 
satisfied with the service received, the following actions 
are suggested:

1.

Discuss any problems you have with your Third 
Function Valve Kit with your dealership service 
personnel so they can address the problem.

2.

If you are still not satisfied, seek out the owner or 
general manager of the dealership, explain the 
question/problem, and request assistance.

3.

For further assistance write to:

Land Pride Service Department

1525 East North Street

P.O. Box 5060

Salina, Ks. 67402-5060

E-mail address

[email protected]

When you see this symbol, the subsequent 
instructions and warnings are serious - follow 
without exception. Your life and the lives of others 
depend on it!

!

WARNING: Cancer and reproductive harm. 

www.P65Warnings.ca.gov

!

California Proposition 65

IMPORTANT:  

Before you begin, thoroughly read 

these instructions and check to be sure all parts are 
accounted for. Please retain these installation 
instructions for future reference and parts ordering 
information.

Assembly Instructions

A detailed listing of parts is provided starting on page 8. 
Use this list for your Third Function Valve Kit as a 
checklist to inventory parts received. Please contact your 
local Land Pride dealer for any missing hardware.

Direction Reference 

All directional references are made from the operator 
seat while facing the direction the machine will operate. 

Directional Arrows Used in Illustrations

Initial Preparations

WARNING

!

To avoid serious injury or death:  Hydraulic fluid under high 

pressure can penetrate the skin and/or eyes causing a serious 

injury. Wear protective gloves and safety glasses or goggles 
when working with hydraulic systems. 

The steps listed below must be followed before installing 
this kit:

1.

If attached, dismount loader from tractor. If loader is 
not attached, skip to step 4.

2.

Turn tractor off, then relieve all hydraulic pressure 
from hydraulic lines by operating the loader control 
lever in all directions. Proceed with locking the control 
lever.

3.

Disconnect loader hydraulic lines.

4.

Restart tractor and slowly back away from loader.

5.

Park tractor on a flat, level surface. Put tractor in park 
or set park brake, turn off engine, and remove switch 
key to prevent unauthorized starting.

6.

As a safety precaution, disconnect the negative 
battery cable from the battery terminal. Move cable 
away from the terminal to avoid accidental contact.

U

D

B

F

R

L

U = up

L = left

B = back

D = down

R = right

F = front

KEY:

For Kubota 80 Series BX and BX23S Tractors

Manual No. 380-304M

© Copyright 2018

Printed 1/10/24

Summary of Contents for BX 80/23S

Page 1: ...y read these instructions and check to be sure all parts are accounted for Please retain these installation instructions for future reference and parts ordering information Assembly Instructions A det...

Page 2: ...17 ft lbs Refer to Figure 1 2 Attach valve 13 to mount 4 with two 1 4 x 3 hex head bolts 5 and hex locknuts 9 Tighten lock nuts to 8 ft lbs of torque 3 Attach hydraulic hose 7A to T port in valve 13...

Page 3: ...MPORTANT Land Pride recommends that your dealer connect hydraulic hoses 7A 7B to your tractor s power beyond port P1 and loader valve fitting T1 Improper hook up could cause damage to your tractor IMP...

Page 4: ...e 13 7 Route wire harness 37 with eyelets under the tractor platform to the tractor battery 8 Connect red wire in harness 37 to the battery s positive post 9 Connect the black wire in harness 37 to th...

Page 5: ...fitting 20B and tighten 73132 Locknut NOTE Hydraulic hose 17A should be connected to valve port A and 17B should be connected to valve port B Refer to Figure 1 on page 2 Bulkhead Mount with Pioneer Co...

Page 6: ...nder pin connection 3 Exit hydraulic hoses 17 out from under the loader arm above the hydraulic cylinder pin connection 4 Continue routing hydraulic hoses 17 between the tractor and loader arm to thir...

Page 7: ...the push buttons on the newly installed control handle The top red button switch will actuate the attachment in one direction The bottom red button switch will actuate the attachment in the opposite...

Page 8: ...allation Instructions Manual No 380 304M 1 10 24 Assembly Instructions Third Function Valve Kit for Cab Tractor Figure 14 70648 851 193C 17 851 949C 7 Hydraulic Hose Identification Chart 73136 13 850...

Page 9: ...2 8 811 170C AD 9 16MORB 9 16MJIC 2 9 803 088C NUT HEX LOCK 1 4 20 FLG 2 10 811 397C EL 45 9 16MJIC 9 16FJIC 1 11 380 223D PLATE BX BLKHD MOUNT 1 12 806 256C U BOLT 3 8 16X3 1 2X4 1 8 RND 1 13 850 31...

Page 10: ...nstallation Instructions Manual No 380 304M 1 10 24 Assembly Instructions Third Function Valve Kit for Cab Tractor Figure 15 73134 851 193C 17 851 949C 7 Hydraulic Hose Identification Chart 73136 13 8...

Page 11: ...AD 9 16MORB 9 16MJIC 2 9 803 088C NUT HEX LOCK 1 4 20 FLG 2 10 811 397C EL 45 9 16MJIC 9 16FJIC 1 11 380 223D PLATE BX BLKHD MOUNT 1 12 806 256C U BOLT 3 8 16X3 1 2X4 1 8 RND 1 13 850 313C VALVE THIR...

Page 12: ...C HSBHCS 10 32X1 3 8 1 26 833 495C FUSE 10 AMP MINI BLADE 1 27 803 538C NUT HEX 10 32 LOCK PLT 1 28 833 739C SWITCH P9 PB NO SPST MOM RED 2 29 837 054C BASE PUSH BUTTON CNTRL HNDL 1 30 99362A300 6 32...

Page 13: ...I DT 012DC 2 76266 Third Function Valve Parts Breakdown Used with Kit No s 380 289A and 380 339A Your kit will include for 850 313C either a Delta Valve or a Parker Valve Look for the brand name on th...

Page 14: ...a way which adversely affects its performance or reliability or which has been used for a purpose for which the product is not designed Misuse also specifically includes failure to properly maintain...

Page 15: ......

Page 16: ...Corporate Office P O Box 5060 Salina Kansas 67402 5060 USA www landpride com...

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