Assembly Instructions
2
Third Function Valve Kit #380-344A & #380-348A Installation Instructions Manual No. 380-347M
7/1/20
Valve Assembly
Refer to Figure 1:
1. Attach adapters (#11) to ports (A & B) and tighten.
2. Attach male couplers (#12) to adapters (#11) and
tighten.
3. Attach MORB end of elbows (#3A) to ports (T) and
elbow (#3B) to port (P). Draw nut on elbows up snug,
do not tighten at this time.
4. Attach banjo hose (#7) to elbow (#3A). Do not tighten
at this time.
5. Attach hydraulic hose (#2) to elbow (#3B). Do not
tighten at this time.
6. Attach valve (#5) to valve mount (#8) using
1/4"-20 x 3" GR5 bolts (#6) and lock nuts (#10).
Tighten lock nuts to the correct torque.
Refer to Figure 2 on page 3:
7.
Attach valve mount (#8) to existing holes in the left-
hand loader mount (G) with 5-16"-18 x 1"GR5
bolts (#4) and whiz nuts (#9). Tighten whiz nuts to the
correct torque.
8. Decals (H) may or may not be in the location shown.
Replace any decal partially hidden by flange
IMPORTANT:
Valve (#5) must be assembled with
ports (A & B) up and ports (P & T) down as shown.
Banjo hose (#7) attaches to port (T) on valve (#5)
and return to tank port on the tractor. Straight hose
(#2) attaches to port (P) on valve (#5) and power
beyond port on the tractor.
bolts (#4). See your nearest Kubota dealer to
purchase new safety alert decals.
Refer to Figure 1 & Figure 3 on page 3:
9. Attach female couplers (#13) to the straight end of
85" long hydraulic hoses (#14) and tighten.
10. Attach hose stay (#15) to the left-hand loader arm in
the location shown in Figure 3 on page 3 with one
3/8"-16 x 1" GR 5 bolt (#22), two flat washers (#23),
one lock washer (#24), and one hex nut (#25). Make
sure hole (A) is located over the lift cylinder pin as
shown. Tighten nut (#25) to the correct torque.
Refer to Figure 1:
11. Remove jam nuts on bulkhead adapters (#17). Insert
bulkheads through holes (E & F) in mount (#16) and
secure with removed jam nuts. Tighten jam nuts.
12. Attach straight adapters (#18) to bulkheads (#17) and
tighten.
13. Attach male coupler (#19) to adapter (#18) that is
in-line with hole (E) and tighten.
14. Attach female coupler (#20) to adapter (#18) that is
in-line with hole (F) and tighten.
NOTE:
Verify your kit has the correct couplers.
shipped with flat face couplers (#19 & #20).
shipped with pioneer couplers (#19 & #20).
Third Function Valve Kit for LX Series Kubota Tractor
Figure 1
U
D
F
B
L
R
Shown with flat-faced
couplers (#19 & #20)
Port T
Port P
Port B
Port A
Red wire attaches to the positive (+)
terminal post on the tractor battery.
Existing
74404
VALVE PORT IDENTIFICATION
To Port T
To Port P
Assembly Instructions
