Operation Manual

V-BELT AUTOMATIC TRANSMISSION
5-48
EAS4B51024
INSTALLING THE PRIMARY SHEAVE
ASSEMBLY, SECONDARY SHEAVE ASSEM-
BLY AND V-BELT
1. Apply:
Sealant
(onto the inner V-belt case seal)
2. Install:
V-belt case air duct joint clamp “1”
V-belt case air duct “2”
TIP
Align the projection “a” in the V-belt case air
duct “2” with the slot “b” on the V-belt case air
duct joint clamp “1”.
Align the projection “c” in the V-belt case air
duct “2” with the slot “d” in the inner V-belt
case “3”.
3. Install:
Primary fixed sheave1
V-belt “2”
Secondary sheave assembly “3”
ECA4B51017
Do not allow grease to contact the V-belt,
primary and secondary sheave.
TIP
When installing the belt, screw M6 (more
than 45 mm (1.77 in)) bolts “4” to spread
apart the secondary sheave and then install
the V-belt. Make sure to install the V-belt with
the arrow facing in the direction shown.
Install the V-belt and secondary sheave
assembly then pass the V-belt the primary
sheave side.
Align the “a” and “b” during reassembly.
4. Tighten:
Secondary sheave nut “1”
TIP
While holding the secondary sheave with the
sheave holder “2”, tighten the secondary
sheave nut.
5. Tighten:
Primary sheave nut “1”
ECA4B51022
Before tightening the nut to remount the
primary sheave, make sure that the serra-
Yamaha bond No.1215
90890-85505
(Three bond No.1215®)
1
2
b
a
3
2
c
d
Secondary sheave nut
90 Nm (9.0 m·kgf, 65 ft·lbf)
Sheave holder
90890-01481