MTD BT1045-1 User Manual
Issued 7/03
Item Part No. Description
1 791-182059 Air Cleaner/Muffler Cover Assembly
(includes 2 & 38)
2 791-180350B Air Cleaner Filter
3 791-180351 Carburetor Mounting Screw Assembly
4 791-180226 Wavey Washer
5 791-182202 Choke Knob and Screw
6 753-04418 Choke Lever Assembly (includes 5)
7 753-04419 Choke Plate Assembly (includes 6)
8 753-04333 Carburetor Assembly (includes 9 & 20)
9 791-610675 Carburetor Gasket
10 791-181860 Carb Mount Screw
11 791-683974B Primer and Hose Assembly
12 753-1196 Carb Mount Assembly (includes 13)
13 791-684451 Reed Assembly
14 753-1208 Carburetor Mount Gasket
15 753-04470 Crank Case Service Assembly (includes 10)
16 791-612134 Rear Mounting Pad
17 791-182767 Fuel Tank Assembly (includes 18-20)
18 753-04100 Fuel Cap Assembly
19 791-181168 Fuel Return Line
20 791-682039 Fuel Line Assembly
21 791-145308 Front Mounting Pad
22 791-182064 Shroud Extension and Stand
23 791-182736 Flywheel Assembly
24 791-181065 Spacer
25 753-04232 Recoil Pulley Assembly
26 791-613102 Recoil Spring
27 791-611061 Rope Guide
28 791-181441 Pulley Retainer Assembly
29 791-182815 Wire Lead
30 791-181079 Pull Handle
31 791-613103 Rope
32 791-160574 Starter Housing Assembly
(includes 25-28, 30-31, 33 & 38)
33 791-181862 Housing Screw
34 791-182368 Clutch Washer
35 791-181445 Clutch Rotor Assembly
Item Part No. Description
36 791-153592 Clutch Drum Assembly
37 791-153597 Upper Clamp Assembly
38 791-181345 Screw
39 791-182519 Anti-Rotation Screw
40 791-611063 Ground Tab
41 753-04468 Module Assembly
42 791-610311B Spark Plug
43 791-182066 Muffler Assembly (includes 44-46)
44 791-182747 Spark Arrestor Screen
45 753-04159 Exhaust Gasket
46 791-147575 Muffler Mounting Bolt Assembly
47 753-04323 Cylinder Assembly (includes 49 & 50)
48 753-04367 Piston and Rod Assembly
49 753-1197 Cylinder Gasket
50 791-182723 Cylinder Bolt
51 791-182409 Washer
52 791-04094 Foot Stand
53 791-180094 Clutch Cover Assembly (includes 38)
* 753-04134 Engine Gasket Kit
* 791-180602 O.E.M. Carburetor Repair Kit (Walbro)
* 791-181873 Gasket Diaphragm Repair Kit (Walbro)
* 753-1209 Piston Ring
* 753-04397 Short Block Assembly
(includes 10, 15, 42, 47-50)
* 791-181599 Clutch Springs (Qty. 2)
* Items Not Shown
38
1
2
3
8
10
12
3
4
5
7
6
11
13
14
15
48
49
21
50
19
16
17
18
20
34
35
39
38
23
24
25
26
27
30
31
33
38
32
22
29
40
41
47
42
45
43
46
28
9
ENGINE PARTS - MODEL BT1045/1
2-CYCLE PETROL TRIMMER
PPN 41CD145D042
44
36
39
37
51
52
38
Item Part No.
Description
1 791-182801 Throttle Housing & Trigger
Assm (includes 2-4)
2 791-182802 Throttle Trigger Lock-Out
3 791-182690 Throttle Trigger Spring
4 791-182803 Throttle Trigger
5 791-182673 Switch Assembly
6 791-147346 Wire Tie
7 791-182816 Throttle Cable
8 791-180858 Foam Grip & Cover
9 753-04346 Upper Drive Shaft Housing Assembly
10 753-04103 Bullhorn Handle Assembly
(includes 11-15)
11 791-612831 Grip
12 791-612021 Plug
13 753-04096 Adapter
14 753-04097 Cap
15 791-182519 Anti-Rotation Screw
16 791-683295 Handle Bracket Assembly
(includes 15 & 17-21)
17 791-181811 Screw
18 791-181812 Upper Handle Clamp
19 791-181813 Middle Handle Clamp
20 791-181814 Lower Handle Clamp
21 791-181815 Nut
22 791-182519 Screw
23 791-181950 Split Boom Assembly
(includes 24-27)
24 791-182057 Screw
25 791-181617 Bolt
26 791-181951 Adjustment Knob
27 791-181886 Knob Retaining Nut
28 791-180396 Lower Drive Shaft Housing Assembly
29 791-181570 Flexible Drive Shaft
30 791-182200 Shield Mount Screw Assembly
31 791-182193 2 Piece Gearbox Assembly
(includes 15, 32, 34, 38 & 39)
32 791-182195 Gear Box Screw
33 791-147492 Blade Shield/Shield Mount
34 791-182196 Blade Driver
35 791-683304 Shield Mounting Screw
36 791-180387 Shield and Blade Assembly
(includes 37)
37 791-682061 Blade Assembly
38 753-04348 Palnut
39 791-147490 Retaining Washer
40 791-612483 Spool Shaft
41 791-683301 Outer Spool Assembly
42 791-612026 Retainer
43 791-610636B Spring
44 791-147495 Inner Reel
45 791-180814B Bump Knob Assembly
46 791-145873B 4-Tooth Blade
47 791-181699 Nut
48 791-160196 Shoulder Harness
Issued 7/03
BOOM AND TRIMMER PARTS - MODEL BT1045/1
2-CYCLE PETROL TRIMMER
PPN 41CD145D042
1
18
19
20
5
7
8
10
13
14
3
2
4
34
41
39
46
40
42
47
43
45
39
15
15
21
17
30
32
15
33
37
36
31
32
51
52
53
17
49
34
54
48
32
44
30
37
35
31
29
16
12
11
9
41
6
1
38
22
24
25
26
27
23
28
2 Piece Gearbox Assembly Parts - Item 32
49 791-182191 Left Housing
50 791-182192 Right Housing
51 791-182194 Pinion Gear Assembly
52 791-182199 Output Shaft Bushing
53 791-182198 Output Shaft Gear
54 791-182197 Output Shaft Assembly (includes 52 & 53)
* 791-180014B Blade Retaining Kit (includes 39 & 47)
* 791-613226 Locking Rod Tool
Optional Accessories
* 791-180120 Replacement Line, 0.095 Diameter
* 791-147345B Reel and Line Assembly
* 791-147498B Bump Head Assembly (includes 40-45)
* Items Not Shown
38
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