Special Tool(s)
CAUTION:
Do not stone, file, or sand the valves. This will remove the anodized finish and may result in further main control or transmission damage.
NOTE:
The valve body separator plate has a bonded gasket. Do not reuse, discard the bonded gasket.
- Remove the parts in the order indicated in the following illustration and table. Remove, clean and inspect the valves.
To remove individual parts, only carry out the listed steps:
MAIN VALVE BODY REMOVAL STEPSPart Steps Minor overhaul and cleaning 1-4 For removal, cleaning and inspection of the valves 5-80 - After cleaning the main control valve body, carry out the following.
- Inspect all valve and plug bores for scoring or burrs.
- Check all fluid passages for obstructions.
- Inspect all valves and plugs for burrs.
- Inspect all mating surfaces for burrs or distortion.
- Inspect all springs for distortion.
- 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.
- Roll the manual valve on a flat surface to check for a bent condition.
- Assemble in the reverse order of disassembly.