Oshkosh Corporation JLG SkyTrak 10054 Installation Instructions

An Oshkosh Corporation Company
General Guidelines
• This repair procedure provides parts and repair
information for a specific discrepancy. It is the
responsibility of the entity performing the repairs to
determine if the discrepancy can be corrected by this
procedure.
CAUTION
Use all applicable Safety precautions while working
on, around or under any machinery.
NOTICE
Reference the Service Manual and Illustrated Parts
Manual for safe and proper disassembly/assembly
procedures.
Weld Repair Guidelines
• All welding must be in accordance with ANSI/AWS
D1.1 Standard.
• Disconnect the battery of the machine being repaired
prior to welding.
• Ground only to the component being welded. Do not
ground to any adjacent component or allow pins,
wear pads, wire ropes, bearings, gears, seals,
valves, electrical wiring, or hoses to be between the
grounding position and the area to be welded.
NOTICE
Failure to comply with the above weld repair guidlines
may result in component damage.
Tools & Equipment Required
1. Stands and lifting equipment capable of lifting/
supporting the affected components
2. Hand-held power grinder
3. Air carbon-arc equipment
4. Electric welding equipment
5. AWS 70 grade, low hydrogen rod or wire
6. Standard welder tools
7. Standard mechanic tools
8. Paint
Pivot Repair of Base Boom Weldment - Option 1
31200548
SkyTrak 10054, 10042, 8042
Installation Instructions
For Kits 7131633 & 7131643
Personnel Required
1. Qualified Equipment Mechanic
2. Certified Welder
Pivot Repair Kit:
Left Side P/N 7131633
Right Side P/N 7131643
Detailed parts list shown on Page 3.
Procedure
1. Remove components as required to facilitate repair.
2. Safely support the components to alleviate pressure
or stresses at affected repair area(s).
3. Using a portable grinder or air carbon-arc equipment,
remove the damaged slave cylinder pivot weldment
from the base boom weldment.
NOTICE
Do not damage the base boom weldment during this
procedure.
4. Visually inspect the welds and base metal around the
pivot weldment on both sides to ensure there are no
cracks or deformities. If any cracks or deformities
exist, repair as outlined in Step 5 or as recommended
by a certified welder.
5. Repair the cracks:
a. For weld cracks, use air carbon-arc
equipment or a portable power grinder
to remove area(s) of weld
discrepancy. Remove the weld 1 in.
beyond end(s) of weld discrepancy,
tapering to a depth of 0 in.
b. For parent metal cracks, use a
portable power drill to drill a 1/4 in.
hole at the termination point(s) at the
end(s) of each crack. Use a portable
power grinder to grind along the
crack(s) to form a 60°-90° "vee"
groove, 0 in. opening.
c. Prepare the affected areas for
welding. Using the recommended
weld material, weld the discrepancy
area(s) using the appropriate sized
fillet weld. For parent metal cracks,
weld along the crack(s) through the
drilled termination point(s).
1