1.1L ROTARY
Article Text (p. 19)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 04:57PM
chamfer downward. Slide spacer and needle bearing on eccentric shaft.
Lubricate shaft and bearings, and install bearing housing.
NOTE: If bearing housing has not been removed, use care that
center of needle bearing in bearing housing comes to center
of eccentric shaft and that spacer is seated to thrust plate.
2) Lubricate and install needle bearing, thrust washer, and
balance weight on shaft. Install keys in oil pump and eccentric shaft
keyways. Place oil pump drive chain on oil pump sprocket and eccentric
shaft sprocket. Install sprockets on shafts.
3) Align the keyways of eccentric shaft sprocket and balance
weight. Install key. Install distributor drive gear, with "F" mark on
gear facing front of engine. Install eccentric shaft pulley on shaft.
Use new washer, and tighten pulley bolt to specification.
4) Turn engine so top is upward. Attach a dial indicator on
the flywheel or counterweight so it contacts rear housing. Move
flywheel or counterweight back and forth.
5) Standard end play is .0016-.0028" (.04-.07 mm). If end
play is more than .0035" (.09 mm) grind spacer on surface plate with
emery paper or install thinner spacer. If end play is less than .0016"
(.04 mm), install thicker spacer.
6) Oversize spacers are available in 5 sizes from .3181" to .
3150" (8.08 mm to 8.00 mm) and are identified by stamped letter "X",
"K", "Y", "V", and "Z" respectively. When spacer has been installed,
recheck end play.
Fig. 27: Measuring Eccentric Shaft End Play
Standard end play is .0016-.0028" (.04-.07mm).
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