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1/10/24

BX 80/23S Third Function Valve Kit Installation Instructions Manual No. 380-304M   

Assembly Instructions

Check Operating and Fluid Level

The Third Function Valve is now ready to be used with a 
multitude of attachments. Be sure to familiarize yourself 
with a complete understanding of how to operate the 
Third Function Valve Kit. 

DANGER

!

To avoid serious injury or death:  
Do not allow bystanders to be near the attachment, loader 

arms, or tractor during operation. They can become 
entangled, pinched, or crushed by the equipment. Disconnect 

and lockout power source before making adjustments or 

servicing tractor and attachment. 

1.

Hook attachment to the tractor front loader and 
couple hydraulic hoses to the bulkhead 
couplers at the front of the loader. 

2.

Raise attachment off the ground and operate the third 
function hydraulics using 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 direction.

Switch Wire Connections

Figure 13

Refer to Figure 13:

3.

Switch wire connections (#38 & #39) at solenoid 
valve (#13)

 

if the attachment’s hydraulic cylinder(s) 

operate in the opposite direction intended.

4.

Once hoses and cylinder(s) are full of hydraulic fluid, 
check tractor hydraulic fluid level.

5.

If low, add recommended hydraulic fluid.

74935

IMPORTANT:  

Refer to your tractor Operator’s 

Manual for recommended hydraulic fluid and 
procedure for checking hydraulic fluid level.

Relieve Hydraulic System Pressure

Be sure to lower the attachment to the ground and to 
relieve all hydraulic pressure to the attachment before 
leaving the tractor seat. Relieve hydraulic pressure to the 
attachment as follows: 

1.

Turn tractor switch key to off. 

2.

Press and hold both red buttons down on the control 
handle until all movement at the attachment stops.

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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