Tie down mounting check our earlier threads and considered belly bars. Contact mack trucks inc.
Frame Extension For No Bull Towing
Drilling truck frame rails. Secure chain around frame or unit to be drilled. Frame rail flange b 83 mm325 in90 354 and 105 413 in frame rail thickness c. Operating the frame drill. High strength low alloy hsla steel 50000 60000 and 80000 psi yield strength heat treated steel 110000 and 120000 psi yield strength. Once i got to the 12 it didnt do shit. Truck frames from other sources often require additional modification.
I used to buy oem frames and would typically have to spend hours of shop time drilling holes for upfit components. Several truck frames might have holes drilled through the top and or bottom flanges. I started out with a small bit and then got gradually bigger. Be prepared to supply detailed information concern. I had to use a hydraulic ram to remove the. The engineers at the factory have taken into account of any induced stresses these holes will cause as well as their locations sizes.
It answers the need for horizontal drilling and truck frame drilling. International chassis are presently manufactured with frame rails of. I recently bought frames from pg. Xy location of holes and maximum hole diameter in relation to position from frame web. Adams with 200 punches per rail and only had to ream 2 holes on one rail. We were very concerned about this same issue vis.
The body installation must not cause excessive frame rail deflection. Turn the forward feed handle advancing the drill to the center punch. Position frame drill horizontally elevate drill to desired height with hand crank. The rules for drilling into frame must be followed ie. I need to drill 18 12 holes in my frame for a c notch. Some call it unique we call it the frame drill.
Each type has different repair procedures. What kind of drill bit are you guys using. It took me an hour to drill 2 new holes in my helper bag brackets. Customer service for as sistance in obtaining approval for an installation on a specific chassis. I spent 15 on a titanium bit but so far this thing sucks. The reason for hte warning lables is the manufacture does not want to have a liability claim from time the tool man who decided that he would just drill or weld where ever he wanted.