Model: A212636D
Airbus A330, A340, A350, McDonnell Douglas DC-10, MD-11 Towbar
12/2014 | Rev. 01 Page | 3
5.0 MAINTENANCE (continued)
5.2 OVER CLAMP ADJUSTMENT
1. Adjust .38” capscrew until the lock pin engages lock hole on handle
2. Tighten .38” jamnut
3. Attach towbar head assembly to aircraft pin, push handle down until lock pin engages. 10-20 lbs of down force on handles
is sufficient to over center clamp onto the aircraft pin
4. Turn linkage rod counterclockwise to lengthen the lnkage, if the pressure is too heavy turn the linkage rod clockwise to
shorten the linkage
5. Tighten the linkage jamnut and allen lock screw
6. Towbar head is ready for use
5.3 RETAINER BOLT TIGHTENING
1. Remove shear bolts
2. Tighten .75” retainer bolt until all vertical play is removed and towing head moves free horizontally between head plates
on chassis tube weldment
To Next Page
Loading...