Adjusting Chain Oiling System Pump (up to S.N. 49999)

Lubrication pump (A) stroke can be adjusted to furnish more or less oil at the lubrication brushes (H) (the greater the piston stroke the greater the oil flow).

Pump stroke graduation (E) reaches from 0 (minimum oil flow) to 4 (maximum oil flow), do not adjust beyond maximum adjustment index (D).

Adjust pump stroke as follows:

1. Loosen the two pump bolts (B).

2. Rotate gear case output shaft (F) to align the desired pump stroke graduation with pump.

3. Taking care that pump piston is fully extended (as shown) adjust piston flush with the pump cam (G) then tighten pump bolts (B).

4. Turn gear case output shaft (F) one complete revolution to check that pump piston collar (C) will not interfere with the pump (A). Readjust pump position if necessary.

NOTE: The brush flow can also be adjusted separately by using different brush valve diameters. (See "Adjusting Chain Oiling System Brush Flow" in this Section).

CC016437


A-Pump
B-Pump bolts
C-Pump piston collar
D-Maximum adjustment index
E-Pump flow graduation
F-Gear case output shaft
G-Pump cam
H-Brushes

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