Technical Information · issue 20 of 2004
Shaft 25.4 mm; Ring; Clamping element; Bearings; Service note
IssueTI 20/2004
Full text
Page 1 of 3
STIH)
Technical Information 20.2004
STIHL HT 75 pole pruner – Series 4138
STIHL HT 101 pole pruner – Series 4182
Contents
1. Shaft 1"
2. Ring
3. Clamping element
4. Bearings
5. Service note
2. Ring
To further optimize the telescopic shaft, a new shaft,
new bearings and modified clamping elements are
being introduced for the pole pruner models HT 75
and HT 101.
1. Shaft 1"
Left: Previous ring 4138 711 9001
Right: New ring 4138 711 9002
Ring 4138 711 9001 will be replaced by the new
version 4138 711 9002. The new ring has an
external groove which runs on the weld seam inside
Shaft 4138 710 7100 will be replaced by the new the shaft.
version 4138 710 7115.
The new shaft comprises a welded tube with internal
weld seam.
The weld seam prevents the bearing tube from
turning inside the shaft.
TI_20_2004_30_01_01.fm englisch / English USA
)m~ge 2 Technical Information 20.2004
3. Clamping element 5. Service note
The new set of bearings 4138 740 3201 will be
available for a period of approx. three years
for repair of the motor-side bearing (arrow) in the
telescopic shaft. The set comprises the
bearing 4138 740 3200, two clamping elements
4138 716 6500 and the blind rivet 9438 003 3171.
The new set of bearings 4138 740 3201 must
Clamping element 4138 716 6500 now has two lugs always be used when replacing the motor-side
(arrow) to optimize the axial rigidity. This will bearing.
minimize the extent to which the telescopic shaft
bends in the area of the clamping elements. Installation of the bearing is described in TI 14.1999.
4. Bearings
4.1 Bearing 4138 740 3200
Bearing 4138 740 3200 now has rubber sealing
washers on both sides of the internal ball bearing to
further optimize its service life.
4.2 Bearing 4138 740 3205
Bearing 4138 740 3205 now has rubber sealing
washers on both sides of the internal ball bearing to
further optimize its service life.
TI_20_2004_30_01_01.fm Page 2 of 3
Technical Information 20.2004 Page 3
Summary
Item Part name Previous New Remarks
1 Shaft 1" (25.4 mm); 4138 710 7100 4138 710 7115 1)
including Item 2
2 Ring 4138 711 9001 4138 711 9002 1)
3 Bearing; --- 4138 740 3201
including Items 4 to 6
4 Bearing 4138 740 3200 4138 740 3200 2)
5 Clamping element 4138 716 6500 4138 716 6500 2)
6 Blind rivet 9438 003 3171 9438 003 3171
7 Bearing 4138 740 3205 4138 740 3205 2)
Modification to be introduced continuously
Remarks
1) Previous version of part is no longer available from factory
2) Only the modified version will be supplied from factory in future
Last Technical Information on the STIHL HT 75: 15.2003
HT 101: 22.2003
© ANDREAS STIHL AG & Co. KG, 2004 Technical Documentation
D1/MTK-ja
TI_20_2004_30_01_01.fm Page 3 of 3
Extracted from the manufacturer's 2012 service catalogue. Most of these PDFs embed fonts with a shifted character map, so the text above was recovered rather than copied — read it as a faithful but imperfect transcription, and treat the page image above each block as the authority where the two disagree — the figures exist only there, because they are vector drawings that text extraction cannot keep.