PACCAR Inc. TX-8 — Starting the Engine

OPERATION - Snow/Ice Operation slippage, the driver should select Manual mode. Manual mode holds the current gear position under most operating conditions- the transmission will only shift when the driver uses the up/downshift request. Once road conditions improve, the driver should revert back to Drive mode. Parking Pawl Manual Release Start-Up and Power Down 4 3. Turn lever clockwise until lever hits stopping surface (maximum actuation torque – 11.8 lb∙ft (16 N∙m)). 4. Reapply nut and washer then tighten nut. Until the manual release lever is repositioned to allow the Parking Pawl to engage, Park mode will not be available.

Starting the Engine The information provided in this topic is intended to enhance or amend the engine start-up procedure located in the engine operator's and chassis operator's manuals specific for your vehicle. Familiarize yourself with the information in this topic, and then make the appropriate adjustments to those procedures, if necessary, when starting the engine. If Anti-Theft is enabled, the first time you turn the ignition switch to START , you will need to enter the Passcode. When instructed to set the transmission mode (shift lever) to Neutral ( N ), if your vehicle has a Park setting, Park ( P ) must be selected. 1.

Manual Release Nut Located at the midpoint, driver's side of the transmission. 1. Remove nut and washer at Parking Pawl Release (1). 2. Attach Manual Release Lever and tighten nut (only two threads) (max torque – 7 lb∙ft (9.5 N∙m)). Snow/Ice Operation This transmission is designed to work in coordination with the ATC system to ensure optimal operation. However, if the driver observes low friction road conditions (such as snow, rain, ice) and does not want the transmission to shift, risking wheel Y53-1331 (6/21) 25