Every 50 Hours - Check Mounting Frame Hardware (6M, 6MC, 6R and 6RC Series 4-Cylinder Tractors)

CC203809-UN-18JUL13

CC202374-UN-09JUL13

A - Cap Screw

B - Cap Screw with Flange

C - Cap Screw with Flange

D - Cap Screw with Flange

E - Hex. Nut with Flange

F - Washer

IMPORTANT: Help prevent damage to the tractor or loader caused by operating with loose mounting hardware. Tightening loader mounting frame hardware after first 3 hours of loader operation is critical. Tighten again after 10 hours and every 50 hours thereafter.

Tighten seven cap screws (A), (B), (C) and (D) on both sides to specification using tightening sequence shown.

Item	Measurement	Specification
Cap Screw (A)	Torque	530 N·m (390 lb.-ft.)
Cap Screw with Flange (B), (C) and (D)	Torque	530 N·m (390 lb.-ft.)

Hardware used on loader mounting frame
Item	Designation	Standard	Dimension	Identification / Grade	Coating
(A)	Cap screw	ISO4014	M20 x 2.5 x 170	10.9	Zinc
(B)	Cap screw with flange	JDS121	M20 x 2.5 x 70	10.9	Zinc
(C)	Cap screw with flange	JDS123	M20 x 2.5 x 60	10.9	Zinc
(D)	Cap screw with flange	JDS123	M20 x 2.5 x 55	10.9	Zinc
(E)	Nut with flange	ISO4161	M20 x 2.5	10	-

Hardware used on loader mounting frame
Item	Designation	Standard	Dimension - Inside	Dimension - Outside	Thickness	Material	Coating
(F)	Washer	ISO7090	22 mm (0.9 in.)	37 mm (1.5 in.)	3 mm (0.1 in.)	100HV	Zinc