Mittler Bros Machine & Tool 3000 - Manual (Page 7)

SPRING TENSION – FOOT TREADLE
Spring Height Adjustment:
Removal:
• Remove cotter pin from foot treadle arm to spring rod.
• Lift Foot Treadle to maximum height.
• Remove Pin that holds spring rod to foot treadle arm.
• Loosen two (2) hex head bolts & nuts holding lower spring bracket to frame.
• Turn jack bolt (under spring bracket) counterclockwise to lower spring bracket and release
spring tension.
• Remove hex head bolts & nuts holding lower spring bracket to frame.
• Remove lower spring bracket and spring.
Installation:
• Install lower spring bracket and spring with spring rod through spring & bracket.
• Install hex head bolts & nuts holding lower spring bracket to frame -- DONOT tighten.
• Turn jack bolt (under spring bracket) clockwise to raise spring bracket and apply spring tension.
Left Spring Height = 5-1/2”
Right Spring Height = 6-3/4”
NOTE: Measurement between bottom of upper flat bracket to top of lower flat bracket.
• Tighten two (2) hex head bolts & nuts holding lower spring bracket to frame.
• Lift Foot Treadle to maximum height.
• Install Pin that holds spring rod to foot treadle arm.
• Install cotter pin into pin holding foot treadle arm to spring rod.