VALVE GP-SOLENOID 4218199 - Caterpillar

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Screw the coils of spring pair (14) onto spring seat assembly (15). Align the springs so that the springs are even with the spring seat and each other.
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Slide spring seat assembly (15) onto the riser shaft with the springs toward the outside.Note: Rotate the springs on the spring seat so that the inner spring is aligned with the outer spring. Remove the sharp edges from the flat surface on the inside diameter of the springs. This will ensure that the springs are seated properly on the spring seat.
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Install shims (13) for the governor high idle, if necessary.
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Install shims (8) and spacer (11) onto rear spring seat (9) .
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Install governor spring seat assembly (9) onto the riser shaft.
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Remove O-ring seal (7). Lightly lubricate the bore of the governor rear housing with clean engine oil and loosely install cover (6). Drain the oil from the rear sump cover into a suitable container for storage or disposal.
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
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Put cover assembly (6) in position on the governor. Install three bolts (1) and evenly tighten the bolts.
Ensure that orifice (2) for the dashpot is not plugged. Also ensure that orifice (2) is tight in the casting.
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Install O-ring seal (3) onto cover (5) .
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Put cover (5) in position on cover assembly (6) and install three bolts (4) .Note: Before performing Step 57, the low idle screw must be backed out completely so that the throttle lever contacts the governor housing. The low idle adjustment is made during governor calibration.
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(M) 1U-7308 Shim Adjustment Tool
Install the 1U-7308 Shim Adjustment Tool (Tool (M) ) and put the dial indicator point on the center of the rear cover. Push down on the rear cover until the cover makes contact with the governor housing. Zero the dial indicator. Slowly release the pressure on the rear cover. As the cover is pushed out by the force of the spring under the cover, rotate the cover for approximately 90 degrees. The reading on the dial indicator will determine the amount of preload on the spring. Add shims or remove shims in order to establish the proper preload on the spring. Refer to the Technical Marketing Information (TMI) for the governor spring preload dimension according to the governor group number.Note: The rear cover assembly must move freely.Note: The preload dimension that is stated in the TMI should only be used for reference. The manufacturer of the governor is not required to meet the specification. The number of governor spring shims is determined by the governor test bench calibration. Governor spring shims are added in order to increase the tension on the high idle screw. Governor spring shims are removed in order to meet the function of low idle lug specification. If you are rebuilding the governor, the