COVER GP-VALVE MECHANISM 4208852 - Caterpillar

1. With the engine running, move the tilt control lever to put the bucket at the correct angle to dig. Move the tilt lever to the HOLD position. Lower the bucket to the ground and stop the engine.2. Turn magnet assemble (2) counterclockwise so longer length is perpendicular (in a vertical position) to tube assembly (1). Tighten the set screws in magnet assembly (2) to ... 4 1 N m (3 1 lb ft).3. Measure dimension (A) between magnet assembly (2) and solid state switch (3). The correct dimension is 5 1 mm (.12 .04 in).4. To change dimension (A), loosen two bolts (6) just enough to move control group assembly (4) away from the magnet assembly (2). Solid state switch (3) and control group assembly (4) must be vertically centered with magnet assembly (2).5. Move tube assembly (2) until the front edge of solid state switch (3) is even (flush) with the front edge of magnet assembly (1). Tighten four bolts (5).