TM 5-3895-373-102.26.9 PinninqtheTowPoint. The tow point of thepaving machine can be converted from beinghydraulically controlled to being mechanically controlledby pinning the tow point to the tractor. Mat thickness upto 6 in. (152 mm) is achieved by hydraulically adjustingthe tow point cylinder. Pinning the tow point allowsmechanical mat thickness of 6 to 8 in. (152 to 203 mm)by using the thickness control.a.Shut down paving machine and remove key fromignition switch per paragraph 2.11.b.Access toolbox per paragraph 3.3.1 and retrievetwo screed tow arm locking pins with attachedhex head cap screw and wrench set fromtoolbox.NOTEProcedures for pinning the tow pointare the same for both left and rightscreed tow arms. Pin one side of themachine at a time. The left side ofthe machine is illustrated in thisprocedure.c.Use a wrench to remove hex head cap screw (1)and tow arm clevis pin (2) from bottom cylinderclevis head.d.Pull forward on tow point cylinder (3) to slidecylinder clevis head from screed tow arm (4).e.Pull top retaining clips (5) from top cylinder clevispin (6).f.Remove clevis pin (6).g.Pull down on tow point cylinder to disengage itfrom mounting bracket (7).h.Pull tow point cylinder (3) backward and securecylinder to the side access cover (8) by clippingretaining clips (5) through top and bottom clevisheads and attaching to grill of side access cover.i.Use screed thickness control (9) to align bottomlocking pin hole (10) in tow arm support plate(11) with slotted hole in screed tow arm (4).j.Install locking pin (12) into bottom hole in towarm support plate (11) and slotted hole in screedtow arm (4).k.Use a wrench to install hex head cap screw (13)into tow arm support plate and screed tow armand tighten.I.Repeat pinning procedure for opposite tow pointcylinder (3).m.Put wrench set back into toolbox and securetoolbox per paragraph 3.3.1.2-95
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