Main Valve Body Disassembly, Inspection, and Reassembly

1.	Remove the valve spring seats (A), valve cap clips (B), and valve caps (C), then remove the valves and valve springs from the main valve body (D).

2.	Check all parts for wear and damage. Replace the part, if it is worn or damaged.

3.	Check that the filter (E) is in good condition and is not clogged. Replace the filter if it is clogged. Install the filter in the direction shown.

4.	Clean all parts thoroughly in solvent or carburetor cleaner, and dry with compressed air. Blow out all passages.

5.

Coat all parts with ATF during assembling. VALVE SPRING SPECIFICATIONS Spring  Standard mm (in.)  Wire Diameter  O.D.  Free Length  No. of Coils  F  Lubrication valve  1.1 (0.043)  9.5 (0.374)  34.0 (1.339)  12.8  G  PH regulator valve  1.2 (0.047)  9.0 (0.354)  26.7 (1.051)  10.0  H  Start clutch shift valve  1.4 (0.055)  10.5 (0.413)  29.5 (1.161)  8.8  I  Clutch reducing valve  1.3 (0.051)  8.9 (0.350)  38.8 (1.528)  13.8  J  Shift inhibitor valve  0.8 (0.031)  7.5 (0.295)  48.5 (1.909)  19.0  K  Start clutch accumulator valve  1.2 (0.047)  8.3 (0.327)  29.8 (1.173)  12.3  L  Start clutch back-up valve  0.55 (0.022)  5.0 (0.197)  14.1 (0.555)  8.6  M  PH control shift valve  0.8 (0.031)  6.5 (0.256)  20.4 (0.803)  10.8