Yamaha F150B - Page 400

9-35
BRKT
Bracket unit
8. Reverse the PTT motor leads between
the battery terminals to fully extend the
PTT rams, and then measure the
hydraulic pressure when the reading on
the pressure gauge stabilizes.
9. Replace the special service tool d with
the special service tool f.
.
TIP:
Quickly change the special service tools
before any fluid flows out of the hole.
10. For checking the fluid level, proceed the
step 2–step 4 again.
11. Connect the PTT motor leads to the
battery terminals to fully retract the PTT
rams, and then measure the hydraulic
pressure when the reading on the
pressure gauge stabilizes.
12. Reverse the PTT motor leads between
the battery terminals to fully extend the
PTT rams.
Ram PTT motor lead
Battery
terminal
Down
Black (B)
Black/White (B/W)
Hydraulic pressure (up) (reference
data): 9.8–11.8 MPa
(98.0–118.0 kgf/cm
2
, 1421.0–1711.0 psi)
Ram PTT motor lead
Battery
terminal
Up
Black/White (B/W)
Black (B)
+
–
BB/W
+
–
f
e
d
Hydraulic pressure gauge e:
90890-06776/06800
Down relief fitting f: 90890-06774
Hydraulic pressure (down)
(reference data): 5.9–8.8 MPa
(59.0–88.0 kgf/cm
2
, 855.5–1276.0 psi)
Ram PTT motor lead
Battery
terminal
Down
Black (B)
Black/White (B/W)
B B/W
+
–
BB/W