Keep it simple
The service manual suggests the appropriate pressure for your aircraft. I go by strut extension not by pressure. No jacking is required. Make a piece of guage capilliary tube 1/8 or 3/16 with female SAE fittings about 20" long and make about 3" U bend on one end. Have available 7/16" & 3/8" open end spanners and male female schraeder valve extension. Open gear doors, remove schraeder valve cap dont forget to replace o ring attach tube while doing final shaping in situ and "voila" you have extension ready to attach guage, on/off valve and compressed air or dry nitrogen. Also have available adj mirror and magnetic pick up for the cap that I bet you will drop first time.
This is not hard just a pain in the wrist for the first time, the second time it will take you about five minutes flat.
Oh and continually rock the front wheel back and forth and this will release any side friction on the strut piston and rod.
Its easy, accurate and quick.
Regards ........ Wayne Hey made a 4 hour flight the other day with side window open, 35 deg C on ground absolutely fantastic.
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