Reverse Servo Assembly: Disassembly

Fig 1: Disassembling View Of Reverse Servo Assembly

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PART NUMBER REFERENCE

Item	Part Number	Description
1	-	Control valve spring retainer (part of 7D036)
2	-	Fluid pressure regulator valve spring (part of 7D036)
3	-	Reverse servo check valve (part of 7D036)
4	7D372	Reverse servo plate
5	7D466	Reverse servo accumulator spring
6	7D189	Reverse servo piston and seal
7	-	Reverse servo piston O-ring (part of 7D036)
8	7D036	Reverse servo cover
9	7B193	Reverse servo assembly

1. Remove the control valve spring retainer.
   Fig 2: Locating Control Valve Spring Retainer

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2. Remove the reverse servo spring and check valve.
   Fig 3: Locating Reverse Servo Spring And Check Valve

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WARNING: Follow the specified procedure when using the tool to remove the servo cover. The servo and servo cover are under high spring force and can separate forcefully, which may result in serious personal injury.
NOTE: Tabs on servo plate mate with slots on cover every 120 degrees.
3. Remove the reverse servo plate by turning in either direction to release.
   • Align the arrow on the servo plate with any slot on the cover.
     Fig 4: Aligning Arrow On Servo Plate With Any Slot On Cover

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4. Remove the reverse servo spring.
   Fig 5: Identifying Reverse Servo Spring

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5. Remove the reverse servo piston and seal assembly.
   • Inspect the seal for damage, install a new reverse servo piston if necessary.
     Fig 6: Identifying Reverse Servo Piston

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6. Remove and discard the reverse servo piston seal.
   Fig 7: Identifying Reverse Servo Piston Seal

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