Instruction Manual

ManualsBrandsSTIHL ManualsChainsawsSTIHL RAPID™ Micro™ Harvester Special is a significantly reinforced version of the RMH Harvester chain. RMHS is only available in 2.0 mm (.080”) gauge.

STIH)

2015-01

Harvester Chain Manual

Summary of content (12 pages)

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STIH) Harvester Chain Manual 2015-01
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Introduction Contents 1. The Right Choice – STIHL Harvester Saw Chain..........2 2. Safety Precautions and General Information................3 3. STIHL Harvester Saw Chain .............................................5 4. Spare Parts ..........................................................................9 Notes.......................................................................................
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1. The Right Choice – STIHL Harvester Saw Chain STIHL harvester chains are precision made in STIHL’s Switzerland based factories. These chains are produced on special machinery custom designed and built by STIHL. STIHL has determined the ideal material mix for every component of the chain. Meticulous production processes and strict quality controls combined with proper chain maintenance ensure less friction for smooth operation and a long wear life.
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2. Safety Precautions and General Information 2.1 Safety Precautions for working with mechanical timber harvesting machines Saw chain breakage and thrown parts of chain, called "chain shot" (chain shot is the term commonly used by manufacturers as well as forestry professionals to describe the parts of the chain that are thrown through the air when a chain breaks). These harvester machines impose a very heavy load on the cutting attachment.
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2. Safety Precautions and General Information  When the chain is running, no persons may stand at the same level as the guide bar.  STIHL RAPID™ Micro™ Harvester chains are approved for use on timber harvesters only. They must not be used on handheld chain saws or for any other purpose. 2.3 Before using for the first time – changeover from other saw chains to the STIHL RAPID™ Micro™ Harvester Special (RMHS)  The components of the cutting attachment must match, i.e. chain pitch and drive link gauge.
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3. STIHL Harvester Saw Chain A harvester chain is subjected to extremely high loads during operation. The individual parts of the chain are exposed to constantly alternating tensile forces which can result in cracks and finally cause the chain to break. The STIHL RAPID™ Micro™ Harvester (RMH) and STIHL RAPID™ Micro™ Harvester Special (RMHS) have been specifically developed to withstand the continuous high loads imposed in highly mechanized timber harvesting operations.
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3. STIHL Harvester Saw Chain Tie straps 40 RMH: Symmetrically shaped running faces. The tie straps are non-directional. 40 RMHS: Wear surface is increased by asymmetrically shaped running faces. This greatly reduces the pressure on the tie straps and prolongs the service life of the chain. Owing to the different sizes of the running faces, the tie straps are directional, i.e. there are left-hand and right-hand tie straps. Drive links The drive links are reinforced in the area of the rivet holes.
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3. STIHL Harvester Saw Chain 3.1 Specifications Saw Chain Rapid Harvester Micro Rapid Harvester Special Marketing number 40 RMH (Type 3996) 40 RMHS (Type 3620) Chain pitch .404" .404" Drive link gauge 2.0 mm (0.080 in.) 2.0 mm (0.080 in.) Depth gauge setting 1.5 mm (0.059 in.) 1.0 mm (0.039 in.) Chain speed 40 m/s (131.23 ft./sec.) 40 m/s (131.23 ft./sec.
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3. STIHL Harvester Saw Chain 3.3 Saw Chain Reels 40 STIHL RAPID™ Micro™ Harvester (Type 3996) Saw chain Lenght No. of drive links Drive link gauge Part No. 40 RMH 7.6 m (25 ft.) 370 2.0 mm (0.080 in.) 3996 000 0370 40 RMH 15.2 m (50 ft.) 740 2.0 mm (0.080 in.) 3996 000 0740 40 RMH 30.4 m (100 ft.) 1480 2.0 mm (0.080 in.) 3996 000 1480 40 STIHL RAPID™ Micro™ Harvester Special (Type 3620) Saw chain Lenght No. of drive links Drive link gauge Part No. 40 RMHS 7.6 m (25 ft.) 370 2.
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4. Spare Parts 40 STIHL RAPID™ Micro™ Harvester (Type 3996) Part No. Description Consisting of Item 3996 007 1000 Right hand cutter kit 5x right hand cutter 5x left hand preset tie strap 1 6 3996 007 1001 Left hand cutter kit 5x left hand cutter 5x right hand preset tie strap 2 5 3996 660 6020 Tie strap kit 12x tie strap (without rivet) 12x preset tie strap 3 6 3996 662 1050 Drive link kit 10x drive link 7 40 STIHL RAPID™ Micro™ Harvester Special (Type 3620) 9 Part No.
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Notes 10