Stihl MS 500i - Chain Brake; Tools, Servicing Aids; Removing the Brake Band, Spring and Lever

MS 500i18
13.1 Tools, Servicing Aids
– Screwdriver – 0000 890 2300 or equivalent
– Socket, T27x125 – 0812 542 2104 or equivalent
– Assembly tool – 1117 890 0900
– Combination wrench – 1142 890 3400
– Torque wrench – 5910 890 0302 or equivalent
– Screwdriver, T27x200 – 5910 890 2415 or equivalent
– Hook – 5910 890 2800
– Flat nose side cutting pliers
– STIHL multipurpose grease – 0781 120 1110
– Loctite 242 (medium-strength threadlocking
adhesive) – 0786 111 2101
13.2 Removing the Brake Band, Spring and Lever
N Preparations, @ 3.1.
N Remove the chain sprocket cover.
N Remove the clutch drum, @ 11.2.
N Take out the screw (1).
N Remove the side plate (2).
N Take out the screws (3).
N Remove the cover (4).
N Engage the chain brake.
N Take out the screw (5).
N Pull the brake band (6) out of its seat.
N Unhook the brake band (6) from the lever (13).
N Install a new brake band (6) if:
– there are noticeable signs of wear on the inside
diameter
– the remaining thickness is less than 0.6 mm
(0.0024 in).
N Use hook 5910 890 2800 to disconnect short end of
brake spring (8).
N Unhook the brake spring (8) from the lever (13).
N Pull the protective tube (7) off the brake spring (8).
N If the turns of the brake spring (8) are not tightly
against one another, install a new spring.
N Remove the E-clip (12).
N Take out the screw (14).
N Remove the hand guard (15) with brake lever (13).
N Pull the lever (13) out of the hand guard (15).
N Disconnect and remove the torsion spring (11) from
the lever (9).
N Remove the E-clip (10).
N Remove the lever (9).
13 Chain Brake
9
15
6
4 2
8
7
13
12
11
10
M4x12 (3 Nm / 27 lbf. in.) 5
3
M4x12
(2.5 Nm / 22 lbf. in.)
3 M4x12 (2.5 Nm / 22 lbf. in.)
14 M5x20
(6 Nm /
53 lbf. in.)
1
M4x8
(2 Nm / 18 lbf. in.)
0000-GXX-5576-A0