DOB 1300-1556| X3-45 Commuter PA-1648 Maintenance Manual Section 23 revised Nov 2021
FIGURE 9: WINDSHIELD WIPER BLADES
4.5 WIPER ARMS INSTALLATION
1. Install the wiper arms and position as shown
in Figure 10.
FIGURE 10: WIPER ARM POSITIONING
2. Before positioning the wipers at their final
position, tighten temporary the arm mount-
ing nuts with a torque value of:
TORQUE 9 lb-ft (12 Nm)
3. Lift the blades then release the wiper arm so
it falls back on the windshield. If necessary,
loosen the arm mounting nuts and adjust the
position as shown in Figure 10.
4. When the final position is found, tighten wiper
arm mounting nuts to a torque value of:
TORQUE 22 lb-ft (30 Nm)
5. Wait 30 minutes and tighten again to the
previous step torque value.
6. Install finishing caps over all arm mounting
nuts.
7. Connect the windshield washer tubing at the
base of the wiper arm.
8. Check the adjustment on a wet windshield.
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