WHEEL & TIRE GP 1426312 - Caterpillar

For all models and 426F2
(S/N: EJ41500-Up; EJ2250-Up)The one-way flow is used with attachments such as hydraulic hammers. The two-way flow is used with attachments such as augers.Before you change the flow mode of the hydraulic auxiliary circuit, ensure that the following criteria have been met:
machine on level ground
all implement and all attachments lowered to the ground.
parking brake engaged
hydraulic pressure released
swing lock pin is installed.
engine shutoff
Make sure that the machine and all attachments are in the recommended servicing position. Install the swing lock pin and shut off the engine. Make sure that all personnel are clear of the attachment before the manual lever on the ball valve is moved. Changing the valve position may cause the attachment to move unexpectedly. Serious injury or death may result.
Illustration 1 g01933134
The machine is shown in the servicing position.
Illustration 2 g01933257Turn the valve into the position that is shown above to perform the following functions:
Extendable Stick Operation
Work tools that require one-way flowTurn the valve by 90 degrees to use work tools that require two-way flow.Note: Before turning the valve for two-way flow, you must pin the extendable stick.For 426F2
(S/N: EJ41-1499; EJ21-249; DJ41-Up)The 426F2 is available only with one-way flow control and is used for one-way flow attachments such as hammers.