7.15
PVT System
7
Roller Removal
1. With the spider in a vise start removing the spider buttons
by drilling a 0.18" hole in the center of a button on one side
of the spider.
2. Place spider on a vise or in an arbor press.
3. Place a pin punch through the spider button hole and drive
the opposite button and pin out.
4. Remove shims (if any are installed) and note their location.
5. Flip the spider over and tap out the holed button.
Roller Installation
NOTE: CAUTION: Use care to start the pin straight.
Aluminum burrs could pass through into the roller
bushing causing it to bind and stick. Also use care
to make sure the roller remains aligned when the pin
is driven through. The roller busing could be
damaged causing premature wear and roller failure.
1. Drive pin into the spider leg.100" -.125" (0.25 - 0.32cm)
beyond the first land of the spider leg.
2. Install one washer on the portion of the pin that is
protruding from the spider leg.
3. Install new buttons into the spider
4. Place roller in spider leg and center it on the pin.
5. Place a second washer on the other side of the roller.
6. Place the spider on a vise.
7. Install pin centering tool (PN 2870401).
8. Drive the roller pin through the second land of the spider.
9. Repeat process for the other two rollers.
10. Measure the width of the spider leg with the buttons
installed (9) and record the measurement. Specification is
1.496" (37.99mm).
11. Measure the width of the moveable sheave towers.
Specification is 1.50" (38.1mm).
12. Subtract the spider measurement form the tower
measurement. The clearance between the spider buttons
and the moveable sheave towers is .002" - .004" (.05 -
.10mm).
SPIDER
BUTTON
SHIM
WASHER
ROLLER
ROLLER PIN
WASHER
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