5055D
Just changed it and followed the instructions. No reference in those for a shop vac. I did not even have to add fluid. Sight glass still full.
Replace Transmission-Hydraulic Filter
PY4407
PY4407-UN-22FEB06
A - Transmission-Hydraulic Oil Filter
Remove filter (A). Apply a film of oil to new gasket and install new filter. Hand tighten plus 1/2 turn.
Run engine several seconds and recheck transmission-hydraulic oil level.
Add transmission fluid if required. (See Fuels, Lubricants and Coolant section.)