Assembly Instructions
2
Third Function Valve Kit #380-168A & #380-335A Installation Instructions Manual No. 380-169M
1/20/21
Valve Mount & Valve Assembly
1. Attach valve mount bracket (#1) to existing holes in
right-hand loader support plate “C” with
3/8"-16 x 1 1/2" GR5 hex bolts (#5), flat washers (#8),
and hex flange lock nuts (#7).
2. Attach the valve (#9) to the valve mount bracket (#1)
using 1/4" x 7/8" bolts (#24).
3. Replace any safety alert decal(s) (#46) covered by
support bracket (#1). See your nearest Kubota
dealer to purchase new safety alert decal(s).
4. Attach 62" long hose (#11) to “T” port in valve (#9)
using adapter (#25).
5. Attach 48" long hose (#17) to “P” port in valve (#9)
using adapter (#25).
6. Install adapter (#29) and black dust cap (#4) to
“A” port on valve (#9). Attach quick coupler (#12) to
adapter (#29).
7.
Install adapter (#29) and green dust cap (#6) to
“B” port on valve (#9). Attach quick coupler (#12) to
adapter (#29).
8. Route hydraulic hoses (#11 & #17) under the tractor
platform and back toward the loader valve.
Valve Location
Figure 2
12
46
17
C
7
5
8
11
1
19
23
9
37357
B3300/LA504 Third Function Valve Kit for Kubota Cab Tractor
Figure 1
U
D
B
F
R
L
37348
Shown with
pioneer-faced couplers
9
73087
Port A
Port B
Port P
Port T
Attaches to the positive
(+) post on the tractor
battery.
Existing
Valve port identification
Assembly Instructions