JLG 340AJ Service Manual - Manual (Page 143)

SECTION 4 - BOOM & PLATFORM
3121259 – JLG Lift – 4-11
Tools Required
Several basic tools are required for the disassembly and reas-
sembly of the actuator. The tools and their intended functions
are outlined below:
1. PIPE VISE
2. HEXWRENCH
Removal and replacement of port plugs and set screws.
3. ASSORTED SCREWS
4. SAFETY GLASSES
5. END CAP REMOVAL TOOLS
(provided with seal kit)
6. DRILL
7. FLASHLIGHT
Helps in locating and examining timing marks, compo-
nent failure and overall condition.
8. RUBBER MALLET
Removal and installation of shaft and piston sleeve
assembly.
9. PLASTIC MANDREL
10. PRY BAR
Removal of end cap and manual rotation of shaft.
11. FELT MARKER
Highlights timing marks and outlines troubled areas.
Permanent ink is recommended.
12. T-HANDLE SCREW EXTRACTOR
13. HEX WRENCH SET
Removal and replacement of port plugs and set screws
(106,110).
14. SEAL TOOLS
Removal and installation of seals and wear guides.
Directions on making a seal tool are provided at bottom
15. PUNCH
16. DOWEL PINS
Removal and installation of end cap.
MAKING A SEAL TOOL
The seal tool is merely a customized standard flat head screw-
driver.
1. Heat the flat end with a torch until it glows.
2. Secure the heated end of the screwdriver in a vise and
bend the heated end to a slight radius.
3. Round off all sharp edges of the heated screwdriver to a
polished finish. The tool may be modified slightly to
your own personal preference.
TO AVOID INJURY BE CAREFUL WHEN HANDLING THE SCREWDRIVER WHEN
HOT.