PROCEDURES FOR SELECTING RATIO COMBINATIONS
2 Speeds – Select any two ratios shown.
3 Speeds –
• Select highest speed desired (least reduction or most increase). • Skip next three slower speeds. • Select two more speeds from any of the remaining slower speeds.
2 Speeds – Select any two ratios on the same horizontal or vertical line.
3 Speeds –
• Select greatest reducing ratio desired. • Skip next three ratios to the right. • Select two more ratios to the right on the same horizontal line.
4 Speeds – Select any four ratios which form a square or rectangle on the sheet.
6 Speeds –
• Follow the procedures listed above for a 3-speed unit. • Select three ratios in same three vertical columns on any other single horizontal line. (Changing the first three ratios selected can provide numerous alternatives in overall ratio combinations.)
9 Speeds – Refer to factory.
MODELS 3M, 6M, AND 11 M EXTENDED RATIO UNITS
Refer to factory.
Ratios for the 60M Model are the same as the 50M. However, the model 60M is available only in 2 and 4 Speeds.