PAWL 9B8250 - Caterpillar

Installation Procedure
Do not operate the wiper motor before the wiper arm assembly is installed.A new wiper motor is preset in the parked position. If the wiper motor is operated before installation of the wiper arm assembly, misalignment will occur. This can cause damage to the wiper motor, the wiper arm assembly, and/or the window.Do not manually rotate the wiper arm assembly on the shaft.
Illustration 1 g00357388
Install the wiper motor assembly and support the wiper motor assembly inside the cab. Install the gasket and plate (11).
Install bolt (10) and retaining nut (12). The torque for retaining nut (12) is 19 1 N m (14 1 lb ft).
Illustration 2 g00357387
Install cap (9).
Illustration 3 g01081539
Push the wiper arm assembly straight onto the tapered shaft. If the wiper arm assembly is not installed straight when the shaft turns, the splines will be improperly formed and damage will occur.
Illustration 4 g00357575
Illustration 5 g00284742
Position wiper arm assembly (7) on the tapered shaft at 90 1 degrees from the vertical centerline. See Illustration 4.
Install the lock washers and nut (8). The torque for nut (8) is 23 1 N m (17 1 lb ft). Note: Wait for at least thirty minutes. Then, tighten nut (8) again to the above torque. Do not wait for more than four hours.
Install bolt (5). Note: Do not use petroleum lubricants on the hose ends. Do not stretch the hose between connection points.
Connect hose (6) to the fitting. Make sure that you install the hose to Dimension (A), as shown. Dimension (A) equals 1.0 1.0 mm (0.04 0.04 inch).
Illustration 6 g01081536
Connect harness assembly (4) to wiper motor assembly (3).
Illustration 7 g00357381
Install interior trim (1) in the rear of the cab. Install six screws (2).