Illus

TIMING GEARS WITH MARKS IN CORRECT ALIGNMENT (SIDE VALVE ENGINE)

5. Pinion gear. Gear and shaft are spline engaged and gear is a slip fit on shaft.

6. Crankcase breather sleeve gear; also drives scavenger oil pump.

7. Rear exhaust cam gear; also drives oil feed pump.

8. Rear intake cam gear; also drives ignition circuit breaker.

9. Front intake cam gear.

10. Front exhaust cam gear.

11. Intermediate gear (not marked).

12. Generator drive gear wth centrifuge (not marked).

13. Oil screen.

./.Or not it turns freely. If considerable drag is felt, • possibly too many steel shim washers have been ^installed Ho one or more cam gear shafts. In this case ^>|smake nece$Sary correction. Cam gear should be ^WSm-f-free running" to .007" endplay. Check endplay of each cam gear with a thickness gauge, through tappet guide hole.

After correct endplay has been established, install tappets and tappet guides. See "Valve Tappets and Valve Tappet Guides," Page 58.

Installing Oil Feed Pump (Side Valve Engine)

Illus. 21 shows oil pump in position to be installed.

Examine gasket closely. If oil feed pump gasket is in good condition it can be reused. If condition of gasket is at all questionable, install a new "factory-made" gasket. Never use a "home-made" gasket because this gasket has holes especially located for oil passages and if hole is left out or put in wrong place, oiling system may be put completely out of commission.

Start pump onto its three mounting studs, turn engine slowly and press lightly against pump until driving dogs on cam gear shaft iine up with and drop into driving slot in oil pump rotor. Install hexagon-head screw and lock washer and install the three lock washers and nuts on pump mounting studs and tighten all securely. Note that two of these nuts are long extension nuts. These special nuts must be installed on same studs from which they were originally removed to give wrench clearance.

Î IGNITION CIRCUIT BREAKER (O.H.V. ENGINE)

Î IGNITION CIRCUIT BREAKER (O.H.V. ENGINE)

Ignition Circuit Breaker and Flywheel Timing Mark

1. Flywheel timing mark: O.H.V. Engine, at rear edge of inspection hole in left crankcase, see Illus. 66; Side Valve Engine, slightly forward of center of inspection hole in left crankcase, see Illi .=

Arrow indicates direction in which engine runs.

2. Adjustable contact point lock screws. Loosen these screws to adjust point gap.

3. Contact point gap. Gap fully open (breaker lever fibre on highest point of cam) should be .022". Wrong gap affects time of ignition. See "Servicing Circuit Breaker and Base Assembly," Page 80.

4. 1946 and Earlier Models: mark on breaker cam (registers with breaker lever fibre) and mark on circuit breaker head, and hole in adjusting band, indicates original factory timing.

1947 Models: mark on breaker cam (registers with breaker lever fibre), and mark on circuit breaker head aligned with outer edge of timing adjusting stud plate indicates original factory timing. (Not illustrated.)

5. Breaker cam. Narrow cam times front cylinder; wide cam times rear cylinder. Cam should be lubricated occasionally with a very light application of grease.

6. Condenser.

7. 1946 and Earlier Models: Adjusting band screw: After loosening this screw and thus loosening adjusting band, circuit breaker head can be shifted to adjust timing.

1947 Models: After loosening timing stud lock nut. circuit breaker head can be shifted to adjust timing. (Not illustrated.)

8. 1946 and Earlier Models: Advance and retard lever; counterclockwise position is advanced- clockwise position is retarded.

1947 Models: Advance and retard lever not used. Timing adjusting stud controls movement of circuit breaker head; counter-clockwise position is advanced clockwise position is retarded. (Not illustrated.)

9. O.H.V. Models: Cap screws (two) that secure circuit breaker assembly in crankcase.

9. O.H.V. Models: Cap screws (two) that secure circuit breaker assembly in crankcase.

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