TBM TB1101, Instruction Manual

Page: 41 / 49

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3. Bottom hook
pin
3.1 Twist,
deformations
Check visu-
ally, measu-
re
Replace the hook pin if there is obvious deformation, and
the screw thread of hook pin should be free of flaw and
deformation.
Capacity (t) D (mm)
0.75 7.5 ≤7.1
1.5 10.0 ≤9.5
3 14.5 ≤13.8
Contact an
authorized
service center
or a qualified
inspector to
replace parts.
3.2 Rust Check visu-
ally Should be free from obvious rust. Remove rust,
oil the pin
4. Top/Bottom
hook pin hole
4.1 Deformations
Measure
Capacity
(t)
Diameter (mm)
Bottom hook pin hole Top hook pin hole
0.75 7.5 ≥8.0 12.5 ≥13.1
1.5 10.5 ≥11.0 14.5 ≥15.2
3 15.0 ≥15.7 18.0 ≥18.9
Contact an
authorized
service center
or a qualified
inspector to
replace parts.
5. Broke system
5.1 Rust
Check visu-
ally
All parts should be free from rust. Remove rust,
oil the parts.
Contact an
authorized
service center
or a qualified
inspector to
replace parts.
5.2 Flaw on friction
disc
Check visu-
ally Should be free from harmful flaw. Contact an
authorized
service center
or a qualified
inspector to
replace parts.
5.3 Wear on friction
disc
Measure Retain uniform thickness and friction disc shall not be
worn more than 0.5 mm.
Capacity (t) Thickness of friction disc (H)
Standard Discard
0.75–9 3.0 mm ≤2.5 mm
Contact an
authorized
service center
or a qualified
inspector to
replace parts.
5.4 Flatness of fric-
tion disc
Check
clearance
with
gauge.
Clearance should be uniform. Internal part should not be
thicker than external part. Contact an
authorized
service center
or a qualified
inspector to
replace parts.
5.5 Pawl Check visu-
ally Should be free from wear on the surface. Contact an
authorized
service center
or a qualified