Stihl FH Service Manual

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STIHL FH, HL Gearbox 130°, 145°

Service Manual

2019-02

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Summary of Contents for Stihl FH

Page 1 STIHL FH, HL Gearbox 130°, 145° Service Manual 2019-02...
Page 3 Installing the Indexing Mechanism Removing the Locking Pin 7.10 Installing the Locking Pin Tools, Servicing Aids Tools This service manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process with electronic systems. FH, HL Gearbox 130°, 145°...
Page 4 If there is a risk of particles being thrown during the repair: Wear safety glasses. Spare Parts If spare parts not approved by STIHL are installed, they may not fulfill the required function or deactivate safety devices. This can result in serious or fatal injuries.
Page 5 Go to 6. defective? Go to 7. Is blade cam worn? Replace cam Go to 7. Go to 7. Is the gearbox now working? Repair completed. Go to 1. Angle of cutting attachment cannot be adjusted. FH, HL Gearbox 130°, 145°...
Page 6 Go to 2. Go to 3. Is preload between angle drive gear Adjust preload, @ 6.5. Go to 3. and blade drive gear correct? Go to 3. Is the gearbox now working? Repair completed. Go to 1. FH, HL Gearbox 130°, 145°...
Page 7 Tools, Servicing Aids Press sleeve – 1128 890 3900 – Torque wrench – 5910 890 0302 or equivalent – Socket, T27x125 – 0812 542 2104 – Screwdriver, T27x200 – 5910 890 2415 or equivalent – FH, HL Gearbox 130°, 145°...
Page 8 Screwdriver, 8x200 – 5910 890 2420 or equivalent Installing Cutting Blades – STIHL gear grease – 0781 120 7205 – STIHL resin solvent – 0782 420 1002 – Protective gloves – Removing Cutting Blades Preparations, @ 2.1. Remove the screw plug (2).
Page 9 Remove the ball bearing (10) by knocking the cover (11) on a wooden base. Installing Bearing in Cover Use press sleeve (19) 1128 890 3900 to press home the ball bearing (10) as far as stop. Fit the blades, @ 4.4. FH, HL Gearbox 130°, 145°...
Page 10 Tools, Servicing Aids Press sleeve – 1128 890 3900 – Torque wrench – 5910 890 0302 or equivalent – Socket, T27x125 – 0812 542 2104 – Screwdriver, T27x200 – 5910 890 2415 or equivalent – FH, HL Gearbox 130°, 145°...
Page 11 Screwdriver, 8x200 – 5910 890 2420 or equivalent Installing Cutting Blades – STIHL gear grease – 0781 120 7205 – STIHL resin solvent – 0782 420 1002 – Protective gloves – Removing Cutting Blades Preparations, @ 2.1. Remove the screw plug (2).
Page 12 Remove the ball bearing (10) by knocking the cover (11) on a wooden base. Installing Bearing in Cover Use press sleeve (19) 1128 890 3900 to press home the ball bearing (10) as far as stop. Fit the blades, @ 5.4. FH, HL Gearbox 130°, 145°...
Page 13 – Screwdriver, T27x200 – 5910 890 2415 or equivalent – Preparations, @ 2.1. Hex key, 3 mm – STIHL multipurpose grease – 0781 120 1110 – STIHL gear grease – 0781 120 7205 – Loctite 242 (medium-strength threadlocking – adhesive) – 0786 111 2101 Loctite 243 (medium-strength threadlocking –...
Page 14 (18) is positioned as shown (arrows). Loctite 242 / 243 Coat thread of screw sleeve (1) with Loctite 242 or 243 and fit the screw sleeve (1) in the gear housing (24). Degrease the end of the pin. FH, HL Gearbox 130°, 145°...
Page 15 (19). Fit the adjusting lever (5). Insert and tighten down the screw plug (3) and screw (4). Removing Drive Pinion (Cam) Preparations, @ 2.1. Remove angle drive gear, @ 6.2. Remove locking mechanism, @ 6.3. FH, HL Gearbox 130°, 145°...
Page 16 Fill angle drive gear (13) with no more than 3 g Preparations, @ 2.1. (0.1 oz) gear grease. Remove angle drive gear, @ 6.2. Refit and tighten down the screw plug (12). Remove locking mechanism, @ 6.3. FH, HL Gearbox 130°, 145°...
Page 17 (15). – Reversible ratchet wrench Unscrew the nut (2). – STIHL gear grease – 0781 120 7205 Pull out the cam wheel (15). – Check discs and teeth of cam wheel (15), replace Removing the Cam cam wheel (15) and drive pinion if necessary, @ 6.6.
Page 18 Install the cam wheel, @ 7.4. Install cutting blades, @ 4.4 or @ 5.4. Removing the Indexing Mechanism Preparations, @ 2.1. Remove cutting blades, @ 4.3 or @ 5.3. Remove the cam wheel, @ 7.3. FH, HL Gearbox 130°, 145°...
Page 19 Fit the perforated strip (6). Insert and tighten down the screws (5) firmly. Preparations, @ 2.1. Install angle drive gear, @ 6.5. Remove angle drive gear, @ 6.2. Take out the screws (5). Remove the perforated strip (6). FH, HL Gearbox 130°, 145°...
Page 20 Lubricating the gear assembly 0782 420 1002 STIHL resin solvent Cleaning and lubricating blades 0786 111 2101 Loctite 242 (medium-strength threadlocking Securing pin (angle drive gear) adhesive) or Loctite 243 (medium-strength threadlocking adhesive) Protective gloves FH, HL Gearbox 130°, 145°...
Page 21 FH, HL Gearbox 130°, 145°...
Page 23 FH, HL Gearbox 130°, 145°...
Page 24 RA_010_2017_01_01 englisch www.stihl.com...

This manual is also suitable for:

Hl gearbox 130 Hl gearbox 145