Valve Body: Testing and Inspection

1. Clean all parts thoroughly in clean solvent and blow dry with compressed air.
2. Inspect all valve and plug bores for scores. Check all fluid passages for obstructions. Inspect all mating surfaces for burrs and scores. If needed, use crocus cloth to polish valves and plugs. Avoid rounding the sharp edges of the valves and plugs with the crocus cloth.
3. Check all valves and plugs for free movement in their respective bores. Valves and plugs, when dry, must fall from their own weight into their respective bores.
4. Roll the manual valve on a flat surface to check for a bent condition. Replace, if necessary.
5. Inspect and measure all of the springs for outer diameter and free length.





Valve Body Spring Specifications
Pressure Modifier Accumulator
Outer diameter: 8.2 mm (0.32 inch)
Free Length: 38.2 (1.50 inch)
Identification: LT. Green
3-2 Timing
Outer diameter: 6.54 mm (0.257 inch)
Free Length: 24.8 (0.98 inch)
Identification: Gray
Line Pressure Cutback
Outer diameter: 7.0 mm (0.28 inch)
Free Length: 29.8 (1.17 inch)
Identification: Purple
Bypass
Outer Diameter: 4.9 mm (0.19 inch)
Free Length: 27.5 (1.08 inch)
Identification: Green
1-2 accumulator, Small
Outer Diameter: 14.8 mm (0.58 inch)
Free Length: 81.6 (3.21 inch)
Identification: Pink
1-2 Accumulator, Large
Outer Diameter: 20.2 mm (0.80 inch)
Free Length: 81.6 (3.21 inch)
Identification: Gray
N-D Accumulator
Outer Diameter: 9.8 mm (0.39 inch)
Free Length: 52.9 (2.08 inch)
Identification: Yellow
N-R Accumulator
Outer Diameter: 15.8 mm (0.62 inch)
Free Length: 46.0 (1.81 inch)
Identification: Light green
Pressure Modifier
Outer Diameter: 5.0 mm (0.20 inch)
Free Length: 19.0 (0.75 inch)
Identification: Maroon