1994 GMC Suburban Owner's Manual - Page 195

Power Take-Off (PTO) NOTICE: If you will be using the PTO while the vehicle remains in one place, drive the vehicle to warm up before operating the it PTO. Don't use the PTO for more than four hours without driving your vehicle again. you don't follow these guidelines, your If transfer case or transmission could be damaged. NOTICE: Don't havea PTO thatwill exceed 35 horsepower installed on your vehicle. It could damage your transmission or transfer case. Before using a power take-off, refer to the manufacturer's or installer's instructions. To engage a power take-off: 1. Set the parking brake. 2, Shift the transmission into "N" (Neutral). 3. Hold the clutch pedal down and engage the power take-off. If you are going to drive the vehicle, shift thetransmission into the gear you want. Then shift the transfer case into the range you want (if you have four-wheel drive), apply the regular brakes and release the parking brake. 4. Release the clutch (and the regular brakes) asyou normally would. When you release the clutch, the power take-off will start. Using a Transfer Case Mounted Power Take-Off (Manual Transmission) I . Set the parking brake. 2. Shift the transfer case into "N" (Neutral). 3. Hold the clutch pedal down. If the vehicle will remain in the same place, shift the transmission into the highest gear. 4-35