TBM TB1101, Instruction Manual

Page: 40 / 49

40
Item Method Discard criteria Remedy
1. Hook assem-
bly
1.1 Stretch and
wear
Measure
Measure the dimension A when new.
Capacity
(t)
A* (mm) B (mm) C (mm)
Normal Standard Discard Standard Discard
0,75 30.0 13.0 ≤12.4 21.5 ≤20.3
1,5 36.0 17.0 ≤16.2 28.8 ≤27.3
3 40.0 25.0 ≤23.8 43.8 ≤41.6
*These values are nominal since the dimension is not
controlled to a tolerance. The A dimension should be
measured when the hook is new. The A dimension should
not be greater than 1.05 times that measured and rec-
orded at the time of purchase.
Contact an
authorized
service center
or a qualified
inspector to
replace parts.
1.2 Flaw Check visu-
ally Should be free from significant rust, weld splatter, deep
nick, or gouges. Contact an
authorized
service center
or a qualified
inspector to
replace parts.
1.3 Rotate Check visu-
ally and
function Should rotate freely with no roughness. Contact an
authorized
service center
or a qualified
inspector to
replace parts.
1.4 Hook yoke Check visu-
ally and
function Should not slack or miss rivets, nuts or bolts. Contact an
authorized
service center
or a qualified
inspector to
replace parts.
1.5 Hook Iatch Check visu-
ally Proper positioning and smooth working. Contact an
authorized
service center
or a qualified
inspector to
replace parts.
2. Load chain
2.1 Wear
Measure
Measure
Capacity
(t)
L (mm) D (mm)
Standard Discard Standard Discard
0.75 90.0 ≥92.5 6.0 ≤5.4
1.5 120.0 ≥123.3 8.0 ≤7.2
3 150.0 ≥154.0 10.0 ≤9.0
Contact an
authorized
service center
or a qualified
inspector to
replace parts.
2.2
Flaws,
deformations
Check visu-
ally
Should be free from twist or harmful flaw.
Contact an
authorized
service center
or a qualified
inspector to
replace parts.
2.3
Rust
Check visu-
ally
Should be free from obvious rust.
Remove rust,
oil the chain