JLG 450A_AJ Series II Service Manual - Manual (Page 287)

SECTION 4 - BOOM & PLATFORM
3121180 – JLG Lift – 4-21
13. Look from opposite end of housing (1) to see if tim-
ing marks are lining up. When they do, tap piston (3)
in until gear teeth mesh together. Tap piston into
housing until it bottoms out.
14. Install shaft (2) into piston (3). Be careful not to dam-
age seals. Do not engage piston gear teeth yet.
15. Looking from the view shown, use existing timing
marks to line up gear teeth on shaft (2) with gear
teeth on inside of piston (3). Now tap flange end of
shaft with a rubber mallet until gear teeth engage.
16. Install 2 bolts in threaded holes in flange. Using a
bar, rotate shaft in a clockwise direction until wear
guides are seated inside housing bore.
17. Install stop tube onto shaft end. Stop tube is an
available option to limit actuator rotation.