cc F F Prepared by
One-Point Lesson Approved by
F SPROCKET Document No. Issued Date 14/02/2002
FF (1/2) 4-4(1) Revised
FF F SPROCKET FF FF F
F SPROCKET
F
F FF F FF 2 F F
F F SPROCKET F F
FF
F F SPROCKET F F F F (STRAIGHT ENGINE,
F ) 7 F F F1 F F F
FF F ˈ F OPTICAL LEVEL TRANSIT F
FF F F F INSIDE DIAMETER COMPASS
FF
FF
F F SPROCKET F F
F F 30 50 F CHAIN PITCH
FF F F F F 20 F
F
FF
F