Special
Ball Joint
To install a snap ring:
Place the hex portion of the wheel axle flat on a table.
Put one end of the snap ring into the groove on the
opposite side of the axle cutout, and use a slotted
screwdriver to work the clip into the groove.
8
Install both rear uprights by performing the following steps.
1
1..
Place the driveshaft plastic cap into the diff outdrive slot.
Insert the rear upright into the end of the rear lower arm as
shown. Align the hole in the bottom of the rear upright and
holes in the arm.
2
2..
Slide a #307320 pivot pin through the aligned holes.
Make sure the flat spot on the pivot pin is toward the
bottom.
3
3..
Thread and tighten the #309352 (SB M3x5) set screw in
the bottom of the rear upright until it is tight on the pivot
pin. Be very careful not to overtighten the screw, as the
threads may strip in the composite rear upright.
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REAR SUSPENSION
309333
SH M3x6
309335
SH M3x10
309351
SB M3x4
307454
PB 5mm
309352
SB M3x5
Assemble TWO rear turnbuckles by performing the following steps.
1
1..
Thread ball joints onto the ends of a #302611 turnbuckle.
Important: There are two special #303222 unidirectional 5mm ball joints, each marked with
a molded dot (see diagram). Thread these special ball joints onto the longer end of each
turnbuckle. Adjust the turnbuckles to a length of 44 mm, measured end-to-end.
The ball joints should be perpendicular (90°) to each other.
2
2..
Snap a #303231 adjustable ball end into the special ball joint with the molded dot.
Install the ball end into the side of the special ball joint OPPOSITE the molded dot.
Note: Each turnbuckle has a CCW thread on one end and a CW thread on the other end.
➊
➋
➌
➋
➌
➍
Installation
Removal
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If there is any binding that prevents the arms from moving freely,
lightly squeeze the ball joints with pliers, and then recheck.
Mount the #303099 rear shock tower to the rear bulkheads with
#309333 (SH M3x6) screws.
Assemble the TWO rear suspension arms by performing the following steps.
1
1..
Place the assembled turnbuckle so the adjustable ball joint faces backward
toward the rear bulkhead as shown. Place the other ball joint atop the rear
upright.
2
2..
Pass a #309335 (SH M3x10) screw downward through a #307454 pivot
ball and turnbuckle ball joint, and thread into the innermost hole in the top of
the rear upright. Tighten until the pivot ball snaps into the ball joint, and then
tighten the whole assembly.
3
3..
Insert the turnbuckle’s adjustable ball end into the rear bulkhead until the
ball end touches the bulkhead.
4
4..
Thread a #309351 (SB M3x4) set screw into the top of the rear bulkhead
to secure the ball end.
To remove a snap ring:
Place the hex portion of the wheel
axle flat on a table. Insert a small
screwdriver in the axle cutout and
pry it off, taking care not to let it fly
off the workbench.
U
Ussee pprrooppeerr eeyyee pprrootteeccttiioonn..
Molded dot
Molded dot
44 mm
44 mm
DETAIL
Groove
➊
➊
➋
1:1
Flat spot
! Tighten very gently !
