https://www.truck-manuals.net/mack/ 200 OPERATION
Preferred Methods for Engaging T318(L)(LR)21 "Eighteenth" Gear (or any HI-range gear) for Output Shaft Driven Power Take-Off (PTO) Operation Method #1 After positioning the vehicle for power take-off operation, and with vehicle wheels off the ground: 1. Shift the transmission to NEUTRAL. 2. Engage power take-off drive. 3. Move the range selector to HI range. 4. Disengage the engine clutch and select REVERSE. 5. Feather the clutch until the transmission range clutch engagement is heard. 6. Disengage the engine clutch. 7. Select 18th speed gear for T318L(R)21. 8. Engage the clutch when power take-off operation is desired. Method #2 After positioning the vehicle for power take-off operation, and with vehicle wheels on the ground: 1. Shift the transmission to NEUTRAL. 2. Move the range selector to HI range. 3. Disengage the engine clutch and select REVERSE. 4. Feather the clutch until the transmission range clutch engagement is heard. 5. Disengage the engine clutch. 6. Engage power take-off drive. 7. Select 18th speed gear for T318L(R)21. 8. Engage the clutch when power take-off operation is desired.
