TEST OR INSPECTION
Water may be expelled with force at windshield deluge pump when operating windshield
deluge system. Place suitable container under windshield pump outlet when performing
Remove pump house panel Q (WP 0540). Remove driver side crew cab access
panel (WP 0499). Put WINDSHIELD DELUGE switch to off position (WP 0004). Place
suitable container under windshield deluge pump outlet. Disconnect hose from
windshield deluge pump outlet hose coupler. While an assistant puts WINDSHIELD
DELUGE switch to on position (WP 0004), check if water is delivered from windshield
deluge pump outlet hose.
If water is not delivered, go to Step 7.