Chamfering cylinder bores - AR01.40-P-9201-01AW

Engine 601, 602 except 602.982, 603

TEST DATA OF CRANKCASE

Number	Designation		Engine 601, 602.91/96, 603.91/96
BE01.40-P-1006-02D	Chamfer of cylinder bore at crankcase contact surface	mm	0.6-1x75°

TEST DATA OF CRANKCASE

Number	Designation		Engine 603.97
BE01.40-P-1006-02D	Chamfer of cylinder bore at crankcase contact surface	mm	0.6-1x75°

After widening or machining, chamfer cylinder bores with an appropriate tool (e.g., hand milling cutter) as shown in the drawing.
Equalize bottom edge of chamfer with polishing wheel.

Fig 1: Identifying Chamfer Cylinder Bores And Hand Milling Cutter
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Chamfer Cylinder Bores Dimension
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
If the cylinder barrel has been machined, additionally debur bottom cylinder runout in the rock area of the pistons with a fine grindstone.

Fig 3: Identifying Rock Area Of Pistons
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.