Question

review questions

1. which of the following would be a driving condition most likely to cause a clutch to “burst,” or throw the facings off the clutch disc?

a. coasting in gear with the clutch engaged
b. coasting in gear with the clutch disengaged
c. shock - loading the clutch
d. excessive torsional vibrations

1. normally, a properly adjusted pull - type clutch should have how much clearance at the release fork?

a. ¼\ (6.36 mm) clearance between the release - fork fingers and the release bearing
b. ½\ (12.7 mm) clearance between the release - fork fingers and the release bearing
c. ¾\ (19.05 mm) clearance between the release - fork fingers and the release bearing
d. ⅛\ (3.18 mm) clearance between the release - fork fingers and the release bearing

1. normally speaking, pull - type clutch release - bearing travel is adjusted internally. it should be which of the following dimensions?

a. ¾\ to 1\ (19.05 to 25.4 mm)
b. ¼\ to ¾\ (6.36 to 19.05 mm)
c. 1\ to 1 ¼\ (25.4 to 31.75 mm)
d. ½\ to ⅞\ (12.7 to 14.29 mm)

1. a clutch that has too much free play at the fork can cause which of the following?

a. wear on the clutch release fork
b. gear clash
c. clutch slippage
d. overheating

1. what must be done just before removing the alignment tool while installing a solo self - adjusting clutch?

a. the clutch mounting bolts should be hand tight.
b. the clutch mounting bolts must be torqued.
c. the release - bearing free travel dimension should be set.
d. the shipping bolts must be removed.

1. flywheel housing face total indicated runout cannot exceed which of the following?

a. 0.005\ (0.127 mm)
b. 0.0005\ (0.0127 mm)
c. 0.001\ (0.025 mm) per inch (25.4 mm) of housing diameter
d. 0.008\ (0.203 mm)

1. the total indicated runout for the pilot bearing bore should not exceed which of the following?

a. 0.005\ (0.127 mm)
b. 0.008\ (0.203 mm)

Explanation:

1. Shock - loading the clutch can cause high stress and lead to the clutch "bursting".
2. A properly adjusted pull - type clutch usually has ¼" (6.36 mm) clearance at the release fork.
3. Pull - type clutch release - bearing travel is typically adjusted internally to ¼" to ¾" (6.36 to 19.05 mm).
4. Excessive free play at the fork can cause gear clash.
5. Just before removing the alignment tool while installing a Solo self - adjusting clutch, the clutch mounting bolts must be torqued.
6. Flywheel housing face total indicated runout cannot exceed 0.0005" (0.0127 mm).
7. The total indicated runout for the pilot bearing bore should not exceed 0.005" (0.127 mm).

Answer:

1. c. Shock - loading the clutch
2. a. ¼" (6.36 mm) clearance between the release - fork fingers and the release bearing
3. b. ¼" to ¾" (6.36 to 19.05 mm)
4. b. Gear clash
5. b. the clutch mounting bolts must be torqued.
6. b. 0.0005" (0.0127 mm)
7. a. 0.005" (0.127 mm)