10
MAINTENANCE
GENERAL RECOMMENDATIONS
The warranty on this trimmer does not
cover items that have been subjected to
operator abuse or negligence. To receive
full value from the warranty, operator must
maintain trimmer as instructed in this
manual.
Some adjustments will need to be made
periodically to properly maintain your unit.
At least once a season, check to see if
you should make any of the adjustments
described in the Service and Ad just ments
section of this manual.
• At least once a year, replace the spark
plug and replace air filter element. A
new spark plug and clean/new air filter
element assure proper air-fuel mix ture
and help your engine run better and
last longer.
• Follow the maintenance schedule in
this manual.
BEFORE EACH USE
1. Check engine oil level.
2. Check for loose fasteners.
3. Clean under engine cover.
LUBRICATION
To prolong the useful life of your trimmer,
change engine oil as recommended in
this section of Owner’s Manual.
IMPORTANT:
Do not oil or grease plastic
wheel bearings. Vis cous lu bri cants will
at tract dust and dirt that will short en the life
of the self- lu bri cat ing bearings. If you feel
they must be lu bri cat ed, use only a dry,
pow dered graph ite type lu bri cant spar ing ly.
TRIMMER
Always observe safety rules when per-
form ing any main te nance.
TIRES
• Keep tires free of gasoline, oil, or insect
control chemi cals which can harm rub-
ber.
• Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may
cause tire damage.
TRIMMER LINE
For best results, replace trimmer lines when
they have worn to half their original length.
Use .155 inch diameter
trimmer line. Cut
new trimmer line length to
18-3/4 inches
.
After new line is installed on trimmer head,
check all lines so they do not vary more then
one (1) inch in length. This is important to
make sure the trimmer head is balanced
and will not vibrate ab nor mal ly.
35
KEY PART
NO. NO.
DESCRIPTION
1 - - -
Engine, Briggs & Stratton,
Model
No.
103M02-0008-F1
(See
Breakdown)
2 150406
Bolt, Engine Mounting 3/8-16
3 588452702
Pulley / Flywheel, Engine
4 88348
Washer, Flat
5 501857501 Spark Arrester
6 582122201
Screw, Sheet Metal #8 x 1/4
8 169821X479 Handle, Lower
9 428867
Screw, Hex Washer Head
5/16-18
x
3/4
10 169797X479 Handle, Upper
11 170980
Bolt, Handle
12 189713X428 Knob, Handle
15 179751
Handle Adjuster Assembly
16 581902101
Guide, Rope
18 66426
Wire Tire
19 587564101
Control Bar
20 588599201
Engine Brake Control
21 199687
Screw, Hex Washer Head
22 447829
Axle Shaft Assembly
23 428867
Screw, Hex Washer Head
5/16-18
x
3/4
24 169823
Spacer
25 197480
O-Ring
26 431880X460 Wheel & Tire Assembly 12 x 1-3/4
27 409149
Nut, Hex, Flangelock 3/8-16
28 584954101
Drive Control Cable
30 501928601
Decal, Engine Cover
31 172221X004 Bracket, Support, Axle Shaft
33 191730
Nut
36 851084
Bolt, Hex Head
37 850263
Washer, Lock
38 851074
Washer, Flat, Hardened
41 445315X479 Tube, Axle Cover
42 581912601
T-Knob
- - 579764302
Owner's Manual
Available accessories not included with trimmer:
- - 71 33623
Gas Can (2.5 Gallon Container)
- - 71 33000
SAE 30W Oil (20 Ounce Bottle)
- - 71 79991
Trimmer Line
(Pack of 24 strings, .155 dia.)
CRAFTSMAN
WEED TRIMMER - - MODEL NUMBER
917.776741
NOTE:
All component dimensions given in U.S. inches. 1 inch = 25.4 mm.
IMPORTANT:
Use only Original Equipment Manufacturer (O.E.M.) replacement parts.
Failure to do so could be hazardous, damage your weed trimmer and void your warranty.