HD785-7 . List of PSN Repair Chasis Crack
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1). Modification Procedure For Cracks In The Welding Portion Of The Rear Cross Side Member Of The Frame
Refer to PSN AT11032 (Issued 4-Jan-11).
Modification
Procedure
2). Repair Procedure For Crack (Hoist Cylinder Bracket Surrounding) On HD785-7
Refer to PSN AT10143B (Issued 1-Jun-11).
Periodical frame inspections
The Operation and Maintenance Manual
recommends that you make "Frame
Inspections" every 250 hours of operation
and perform these inspections periodically
after this repair work has been finished.
When cracks are found, repair them
romptly.
 Product Support Dept – Service Division
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HD785-7 . List of PSN Repair Chasis Crack
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3). Modification Procedure For Cracks In Frame Front/Rear Stay Welding Portion
Refer to PSN AT11137 (Issued 22-Jun-12).
Modificatio
n
 Product Support Dept – Service Division
2
HD785-7 . List of PSN Repair Chasis Crack
MODELS/N
COMPONENT PHENOMENON
SUBJECT
TYPE
(From)
1 AJ09001A HD785-7 J20001 MAIN FRAME Cracked
REPAIR OF CRACKED MAIN FRAME (HOIST BRACKET
CYLINDER) ON HD785-7
No. PSN No.
2 AJ09005
HD785-7
J20001 MAIN FRAME
N10001
n/a
INSPECTION PROCEDURE FOR MAIN FRAME HD785-7
3 AJ10002
HD785-7
7217 MAIN FRAME
Cracked
Repair of cracks on HD785-7 main frame (Front side
member)
4 AJ10003
HD785-7
J20001 MAIN FRAME
Cracked
Repair of cracked in main frame for HD785-7
 Product Support Dept – Service Division
DETAIL (PICTURE)
3
HD785-7 . List of PSN Repair Chasis Crack
MODELS/N
COMPONENT PHENOMENON
SUBJECT
TYPE
(From)
5 AJ10004B HD785-7 J20001 MAIN FRAME Cracked
REPAIR OF CRACKED MAIN FRAME ON HD785-7
No. PSN No.
6 AJ10006
HD785-7
J20001 MAIN FRAME
Cracked
REPAIR OF CRACKS ON MAIN FRAME (HOIST BRACKET
CYLINDER) ON HD785-7
7 AT10143B HD785-7
#7001- MAIN FRAME
#7444
Base Metal
Cracked
REPAIR PROCEDURE FOR CRACK (HOIST CYLINDER
BRACKET SURROUNDING) ON HD785-7
8 AT11032
HD785-7
#7001- MAIN FRAME & Weld Portion
#9118 OUTRIGGER
Cracked
MODIFICATION PROCEDURE FOR CRACKS IN THE
WELDING PORTION OF THE REAR CROSS SIDE
MEMBER OF THE FRAME
9 AT11137
HD785-7
#7001- FRONT FRAME Weld Portion
#9999 SUPPORT
Cracked
HD785-7 MODIFICATION PROCEDURE FOR CRACKS IN
FRAME FRONT/REAR STAY WELDING PORTION
DETAIL (PICTURE)
#30001#30540
 Product Support Dept – Service Division
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