TM 5-3895-373-102.26.10 UnpinninqtheTowPoint. The tow point of thepaving machine can be converted from beingmechanically controlled to being hydraulically controlledby unpinning the tow point from the tractor and pinning tothe tow point cylinder. Mat thickness up to 6 in. (152mm) is achieved through hydraulic adjustment of the towpoint cylinders.a.Shut down paving machine and remove key fromignition switch per paragraph 2.11.b.Access toolbox per paragraph 3.3.1 and retrievewrench set from toolbox.NOTEProcedures for unpinning the towpoint are the same for both left andright screed tow arms. Unpin oneside of the machine at a time. Forclarity, the left side of the machine isillustrated in this procedure.c.Use a wrench to remove hex head cap screw(13).d.If necessary, adjust screed thickness control (9)to remove load of screed tow arm (4) on tow armlocking pin (12).e.Remove locking pin (12) from lock pin hole (10)in tow arm support plate (11).f.Hold tow point cylinder (3) and pull retaining clips(5) to remove cylinder from side access cover(8).g.Line up holes in top cylinder clevis head andmounting bracket (7). Install clevis pin (6) andretaining clips (5) to secure top cylinder clevishead.h.Pull bottom cylinder clevis head down to line upwith clevis mounting hole in screed tow arm (4).i.Install clevis pin (2) and hex head cap screw (1).Use a wrench to tighten hex head cap screw.j.Repeat unpinning procedure for opposite towpoint cylinder (3).k.Put wrench set and screed tow arm locking pins(12) back into toolbox and secure toolbox perparagraph 3.3.1.2-96
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