Page J-4
Repair and Service Manual
B
CONTINUOUSLY VARIABLE TRANSMISSION (CVT)
Read all of Section B and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
Drive Clutch Installation
(Ref. Fig. 3)
Clean both the engine crankshaft and the drive clutch
bore. Slide the clutch onto the engine crankshaft and
rotate the clutch while lightly pushing the moveable
sheave in and out several times to seat the clutch with
the tapered crankshaft (Ref. Fig. 3).
Install the lock washer (3), conical washer (4) and clutch
washer (5) onto the clutch bolt (2).
Apply thread sealant to the threads of the clutch bolt (2)
and install and tighten to the specified torque.
Driven Clutch Removal
Tool List
Qty.
Plastic Faced Hammer ................................................ 1
Clutch Puller, (p/n 608429) .......................................... 1
External Snap Ring Pliers............................................ 1
Wrench, 18 mm ........................................................... 1
Socket, 18 mm............................................................. 1
Impact Socket, 19 mm................................................. 1
Impact Wrench (air or electric) .................................... 1
Ratchet ........................................................................ 1
Thread Locking Sealant............................................ AR
Phillips Screwdriver ..................................................... 1
Torque Wrench, ft. lbs.................................................. 1
Remove the drive belt (1) (Refer to ‘Removing The Drive
Belt’ procedure elsewhere in this section).
Remove the passenger side hub cap if equipped and
using a 3/4" lug wrench, remove the wheel and tire
assembly.
Set park brake and place direction selector in ’Forward’
to place tension on clutches.
Accessing the driven clutch from the passenger side of
the vehicle and remove the bolt (6), lock washer (7) and
conical washer (8) from the driven clutch.
Install the clutch puller bolt in clockwise position until it
bottoms out.
Using an impact tool and a 19 mm impact socket on the
clutch puller bolt, remove the clutch then remove the
clutch puller bolt and slide the clutch from the rear axle
input shaft.
Driven Clutch Repair
Parts must be reassembled in same position as their original
position. Mark all components to facilitate accurate reassem-
bly.
Some minor field repairs may be made to the driven
clutch. Remove the retaining ring (9) and remove the
outer spring retainer (10) (Ref. Fig. 3). Remove the
spring (11), inner retainer spring (12) and the moveable
sheave (13).
Inspect the shaft for signs of wear and inspect the bush-
ings for signs of deterioration. If there is wear to the
point of causing vibration, the clutch must be replaced.
Driven Clutch Assembly
Assemble the moveable sheave (13) to the fixed sheave
(14) and insert the spring (11) and inner retainer spring
(12) in the pilot hole in the moveable sheave (Ref. Fig.
3). Insert the other end of the spring in the outer retainer
spring (10) and rotate counterclockwise 140
before
engaging the splines and inserting the retaining ring (9).
Driven Clutch Installation
Clean the rear axle input shaft and slide the clutch onto
the shaft (Ref. Fig. 3). Install lock washer (7) and conical
washer (8) to the clutch bolt (6) and apply thread sealant
to the threads of the clutch bolt. Install the bolt and
tighten to the specified torque.
STORAGE
If the vehicle is to be out of service for an extended
period of time, the clutches should
not
be coated with
any protecting spray. The drive clutch sheaves may
develop some surface rust which will be removed within
a few minutes of running time. The driven clutch is alu-
minum and requires no treatment.
ITEM
TORQUE SPECIFICATION
2
55 - 62 ft. lbs. (74 - 84 Nm)
ITEM
TORQUE SPECIFICATION
6
55 - 62 ft. lbs. (74 - 84 Nm)
NOTICE
Summary of Contents for EXPRESS L4
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