English 
Parts list
|
Item |
Description |
Part no. |
Qty |
|
|
Housing(incl.parts 103-119) |
102825 |
1 |
|
2 |
Pad |
300954 |
2 |
|
3 |
Buffer |
300953 |
1 |
|
8 |
Shield plate |
102563 |
1 |
|
9 |
Seal |
102143 |
1 |
|
10 |
Rubber plug |
400676 |
6 |
|
11 |
Rubber plug |
400566 |
7 |
|
12 |
Hex.screw |
90589 |
14 |
|
13 |
Washer |
90511 |
14 |
|
14 |
Lock nut |
90507 |
14 |
|
103 |
Wear plate |
103983 |
2 |
|
104 |
Wear plate |
103982 |
1 |
|
105 |
Wear plate |
103984 |
2 |
|
107 |
Shield plate (incl.part 107.1) |
102982 |
2 |
|
107.1 |
Shield plug |
103875 |
2 |
|
109 |
Lifting eye |
90705 |
1 |
|
110 |
Hex.screw |
900026 |
1 |
|
111 |
Middle bushing |
102944 |
4 |
|
112 |
Middle bushing |
102939 |
4 |
|
113 |
Hex.screw |
91050 |
4 |
|
114 |
Hex.screw |
90513 |
4 |
|
115 |
Lock washer |
91012 |
8 |
|
116 |
Damper plate |
102562 |
4 |
|
117 |
Pin |
103994 |
6 |
|
118 |
Pin |
102445 |
1 |
|
119 |
Pin |
102458 |
1 |
|
Kit |
Label set |
104162 |
1 |
|
8 |
Thrust ring |
200521 |
1 |
|
9 |
Front head (incl.parts 9.2-9.4) |
110713 |
1 |
|
9.2 |
Grease nipple |
90200 |
2 |
|
9.3 |
Plug |
110705 |
1 |
|
9.4 |
Plug |
110710 |
1 |
|
12 |
Upper tool bushing |
400653 |
1 |
|
14 |
Tool retaining pin |
400654 |
2 |
|
21 |
Wedge |
40110 |
1 |
|
22 |
Retaining pin |
400655 |
1 |
|
23 |
Retaining pin |
400361 |
1 |
|
24 |
Pin |
40108 |
1 |
|
29 |
Split pin |
901132 |
1 |
|
30 |
Split pin |
904022 |
1 |
|
31 |
Spring |
920007 |
1 |
|
41 |
O-ring |
90036 |
1 |
|
43 |
O-ring |
90000 |
1 |
|
58 |
Spring guide |
101094 |
1 |
|
|
*)Are included in seal set |
|
|
|
1 |
Lower tool bushing(incl.part 1.2) |
102156 |
1 |
|
1.2 |
Seal |
102147 |
1 |
Product Description
Precision-Machined 102156 Lower Tool Bushing for Rammer E68 Heavy-Duty Rock Breaker
Minimize devastating front-head tolerances and eliminate hazardous tool wobble with Toparts' heavy-duty 102156 lower tool bushing. Precision-machined as a direct-fit wear solution for the legendary Rammer E68 hydraulic hammer, this critical front-end guide component shields the primary cylinder mechanism by maintaining strict axial alignment of the chisel during high-intensity quarrying, mining, and primary demolition.
The Toparts Engineering Difference: Built for High-Impact Quarrying
The lower bushing of a Rammer E68 is subjected to continuous, fierce frictional heat and extreme lateral force when operator positioning creates bending stress on the chisel. Inferior aftermarket bushings often suffer from fast dimensional wear or brittle cracking. At Toparts, we manufacture our 102156 bushings with structural metallurgical upgrades:
Premium Forged Alloy Steel Base: Formulated from vacuum-degassed chrome-moly or manganese alloy steel (such as 42CrMo or equivalent heavy-duty gear steel). This selection ensures an ultra-dense grain structure that eliminates internal porosity and structural micro-cracks.
Deep-Case Induction Hardening: Every 102156 bushing undergoes advanced thermal heat treatment to achieve a case-hardened depth of 4-6mm with a surface hardness rating of HRC 56-62. This diamond-tough outer layer resists abrasive sand and rock dust scoring, while the inner core remains ductile to absorb relentless hammer percussion without snapping.
Optimized Internal Lubrication Grooves: CNC-milled with engineered internal helical oil channels. This geometry ensures a uniform, continuous distribution of high-temperature chisel grease across the entire inner diameter, dramatically decreasing dry friction and cold-welding (galling).
Micro-Tolerance Concentricity: Machined to exact OEM clearances to guarantee a flush, balanced press-fit inside the Rammer E68 front head, preventing uneven point-loading and extending the lifespan of both the bushing and the tool retainer pins.
Technical Specifications:
Brand Compatibility: Rammer (Sandvik Group)
Breaker Application: E68 Heavy-Duty Series Rock Hammer
Part Number (P/N): 102156
Component Type: Lower Tool Bushing / Front Head Chisel Guide Sleeve
Material Compound: High-Grade Forged Chromium-Molybdenum Alloy Steel
Surface Hardness Profile: HRC 56-62 (Induction Hardened Core: HRC 28-32)
Lubrication System: Integrated Spiral/Helical Grease Grooves
Condition: 100% Brand New Premium Industrial Aftermarket
Tag:Rammer Hydraulic Breaker Seal Kits,E68 Hydraulic Breaker Seal Kits,Atlas Copco SBU340 Hydraulic breaker Tool retainer
