Archived dial indicator HELP

[TMaki]

#ad


in the tsb to time a pump it says that 1 revolution of dail indicator is 1 mm and the small one is 10 mm my indicator i got from mac shows 2. 0 and small one is 30 mm

am i reading it ring before i finish timing my pump

 

[p-Bar]

ON yours the small one reads 0-30mm The large one reads 2 mm or half the dial is 1mm. So what does the TSB say you should time it at??



Remember 25. 4mm is 1"

 

[TMaki]

6. 2 for 15 degrees so that would be 3 full rev on the big dial and 2 numbers correct

 

[p-Bar]

Thats what I figured.