Technical Information · issue 1 of 1996
Servicing instructions 036 QS
IssueTI 1/1996
Engine family 1125
Full text
Page 1 of 8
Technical Information
01.96
Servicing Instructions for STIHL 036 QS - "Quickstop Super" - Series 1125
Inspection, maintenance and repair work may only be performed by properly trained and authorized personnel.
1.===Checking operation of chain======2.=Disassembly
=====brake =with bar and chain========2.1=Interlock lever
1.1=Activate interlock lever============N==================================================P
3
• Open throttle wide.
• Release rear handle. l1
• Chain must come to a standstill
within fractions of a second. fo
l2
1.2=Activate hand guard
148RA002 KN
148RA035 KN
4
• Open throttle wide.
• Activate hand guard.
• Chain must come to a standstill
within fractions of a second. • Check free travel as follows: • Use a 3.0 mm (0.12") pin punch
Press down interlock lever until to drive the needle roller (4) out of
definite resistance is felt - mark the interlock lever (3).
The following conditions may
occurW==================================l1K=iet go of interlock lever
- mark l2K=ff the distance between
$ Brake cannot be activated l1=~nd l2=is less than 6 mm
% Brake cannot be activated (0.24"), the brake cable is stret-
by interlock lever ched.
& Brake cannot be activated
by hand guard
' Brake cannot be activated by 2 4 6
interlock lever or=hand guard
2
3
5
148RA003 KN
148RA001 KN
• Remove carburetor box cover • Use a 4.5 mm (0.18") pin punch
and air filter. to drive the bushing (5) out of the
• Take self-tapping screw (1) out of interlock lever (3).
tank housing. • Remove the torsion spring (6).
• Lift away the handle molding (2).
)Technical Information 01.96 - Page 2
============================================================2.2=Exposing chain brake
5
8 7 9
9
• Remove chain sprocket cover
and side plate.
8
148RA004 KN
148RA014 KN
• Disconnect brake cable (7) from • Use assembly tube (9) to discon-
thetrip lever (8). nect the brake spring (8).
6 8 7 10
1
fo 7
9
148RA011 KN
148RA005 KN
148RA013 KN
2
3
6
• Use a 4.0 mm (0.16") pin punch • Remove E-clip (1). • Remove the clutch drum (6) and
to drive the needle roller (9) out • Remove washer (2) and chain needle cage (7).
of the trip lever (8). sprocket (3).
• Remove the trip lever.
1RWH
• Clean all parts with STIHL
universal cleaner.
• Damaged parts* must be
replaced. 8 11
11
5 12
148RA012 KN
148RA015 KN
4
10
• Take off the washer (4) and uns- • Remove the clip (10).
crew the cover (5). • Take out the brake band (11)
together with the support
plate (12).
* use only original STIHL replacement parts as per the latest parts list
)Technical Information 01.96 - Page 3
12 15 21 18 28
20
19
148RA017 KN
148RA023 KN
148RA020 KN
13
• Remove the clutch (13) (shroud, • Take the hex. head screw (19) • Remove torsion spring (28).
spark plug). out of the crankcase. Remove
washer (20) from hand guard
lever (21).
• Take screw assembly out of fan
housing. Remove the hand gu-
ard.
13 16 19 31
22 25
29 29
23
148RA018 KN
30
148RA021 KN
148RA024 KN
14 15 24
29
• Take away the cover washer • Remove the stop plate (22). • Insert pin or suitable tool in hole
(14) and cover (15). • Remove the E-clip (23). (see arrow) to secure tension
Pull off the brake lever (25) lever in position.
and disconnect the rod (24). • Take spline screws (29) out of
the oil pump housing (30). Pull
the oil pump housing away and
disconnect the brake cable (31).
1RWH
14 17
• Clean all parts with STIHL
27 universal cleaner.
26 • Damaged parts* must be
replaced.
16 • Clean pump seat in crankcase.
17
148RA019 KN
148RA022 KN
• Remove the spacer ring (16), • Press the compression spring
worm gear (17) and cam (18). (26) downwards and remove the
locating lever (27) at the same
time.
* use only original STIHL replacement parts as per the latest parts list
)Technical Information 01.96 - Page 4
2.3=Oil pump housing==========================================================================================3.===Assembly
Lubricate all moving parts (see
20 3 23 7 8 arrows in illustrations under 4) with
oil or grease.
2
1
148RA006 KN
148RA009 KN
• Relieve tension lever. • Pull off the washer (7) and
• Ease the E-clip (1) off the stud retaining lever (8).
(2).
• Take the tension lever (3) off the
stud.
3.1=Interlock lever
21 24 10 9 25 8
4
fo 148RA010 KN
148RA025 KN
148RA007 KN
• Remove the torsion spring (4). • Remove washer (9) and trip • Drive needle roller (9) into trip
plate (10). lever (8).
1RWH
• Clean all parts with STIHL
universal cleaner.
• Damaged parts* must be
replaced.
22 26
6 5 6
3 5
148RA026 KN
148RA028 KN
• Use 3.0 mm (0.12") pin punch to • Push bushing (5) through one
drive round head grooved pin (5) side of the interlock lever (3) and
out of the oil pump housing. torsion spring (6) drive it into the
• Remove the flat spring (6). interlock lever.
* use only original STIHL replacement parts as per the latest parts list
)Technical Information 01.96 - Page 5
3.2=Oil pump housing
27 24 10 9 30
3
148RA010 KN
148RA032 KN
148RA027 KN
4
• Drive needle roller (4) into the • Fit trip plate (10) and washer (9) • Fit the torsion spring (4).
interlock lever (3 ) - right-hand on oil pump housing.
end of spring must locate in trip
lever groove.
28
8 7
23 7 8 20 3
2
1
148RA006 KN
148RA009 KN
148RA031 KN
• Position brake cable (7) in trip • Fit retaining lever (8) and washer • Slip tension lever (3) over stud
lever (8). (7) on oil pump housing. (2) and secure with the E-clip (1).
• Use suitable tool to secure
tension lever in position (see
arrow).
=======================================================================================================3.3=Assembling chain brake
2 29
6 5 31 28
148RA008 KN
148RA029 KN
148RA001 KN
• Fit handle molding (2) and secu- • Fit the flat spring (6). • Place torsion spring (28) in
re to tank housing with self-tap- • Drive round head grooved pin (5) crankcase.
ping screw (1). into oil pump housing.
• Install the air filter.
)Technical Information 01.96 - Page 6
17 15 21 12
27 26
20
19
148RA017 KN
148RA022 KN
148RA020 KN
13
• Hook locating lever (27) on to • Fit hand guard lever (21). • Install the clutch (13).
torsion spring. • Fit washer (20) and screw hex.
• Press compression spring (26) head screw (19) into the crank-
downwards and allow locating case.
lever (27) to engage.
19 31 14 11
11
29 29 12
16
30 17
148RA019 KN
148RA015 KN
148RA024 KN
18 10
29
• Attach brake cable (31) to brake • Fit worm gear (17), cam (18) - • Fit brake band (11) with support
lever arrow must point up - and spacer plate (12) and secure with clip
• Fit oil pump housing (30) and
ring (16) on the crankshaft. (10).
secure with the spline screws
(29).
• Place rod in the valve.
32 13 9
25 9
22
23 8
148RA018 KN
148RA030 KN
148RA014 KN
24 14 15
• Attach rod (24) to brake lever • Fit cover (15) and cover washer • Use assembly tube (9) to attach
(25) - fit E-clip (23). (14). brake spring (8).
• Push stop plate (22) into position.
)Technical Information 01.96 - Page 7
4.===Maintenance
10 33
148RA013 KN
148RA034 KN
6
• Fit needle cage (7) and clutch ➜ Grease with Mobilplex
drum (6). 0781 120 1111
Ø Lubricate with chain oil
(outside diameter of
clutch drum).
8 34
5
148RA012 KN
148RA033 KN
4
• Fit the cover (5) and washer (4). ➜ Grease with Mobilplex
0781 120 1111
1
148RA011 KN
2
3
• Fit the chain sprocket (3) and
washer (2). Secure with E-clip
(1).
• Fit the side plate and chain
sprocket cover.
* Important: Owners who wish to run a biological chain oil should use only STIHL Bioplus.
)Technical Information 01.96 - Page 8
5.===Troubleshooting chart
Fault========================Cause=======================Remedy=======================Disassembly / Assembly
Figures ➀ ➁ ➂ etc.
A:=_rake cannot be • free travel < 6 mm ac- cable
Replace brake 1,2,5,7,8,9,10,11,12,13,19 /
tivated (0.24"); brake cable 33,19,13,12,11,9,10,8,7,
stretched 34,28,2
• All moving parts on oil Disassemble, clean and 7 -14,16,19,20,21,22,23,24 /
pump housing smeared service oil pump housing 33,24,23,29,30,20,19,32,14,
with pitch (see 4) 13,12,11,9,10,8,7
• Rivet on tension lever Fit new tension lever 7-14,16,19,20 /
worn 33,20,19,14,32,13,12,11,9,
(play > 0.5 mm) 10,8,7
• Pitch between inside of Disassemble, clean and 7-13 /
cover and clutch drum service cover and clutch 33,13,12,11,9,10,8,7
drum (see 4)
B:=_rake cannot be • All moving parts on oil Disassemble, clean and 7 -14,16,19,20,21,22,23,24 /
activated by interlock pump housing smeared service oil pump housing 33,24,23,29,30,20,19,32,14,
lever with pitch (see 4) 13,12,11,9,10,8,7
C:=_rake cannot be • Lug on retaining lever Disassemble oil pump 7 -14,16,19,20,21,22,23,24 /
activated by hand guard broken housing -fo
Replace retaining lever
33,24,23,29,30,20,19,32,14,
13,12,11,9,10,8,7
• Hand guard mounting Tighten hex. head screw 1) 7,8,9,15 /
loose (crankcase) to 6.5 Nm 33,15,9,8,7
Retighten spline screw
IS-M 5x30 (2x)1)
D:=_rake cannot be • Brake band broken Fit new brake band - 7-11 /
activated by interlock lubricate clutch 33,11,9,10,8,7
lever RU by hand guard
drum (see 4)
1) Screw must be secured with Loctite 648 adhesive
Andreas Stihl - D1/MTK-al
1996 Andreas Stihl Technical Documentation 5774 Page 2 of 8
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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.