Troy-Bilt 52051 User Manuals

Table of Contents

• SECTION 1: SAFETY

  1
• General Operation

  1
• Slope Operation

  2
• Children

  2
• Service

  2
• Safety Decals

  3
• SECTION 2: ASSEMBLY

  4
• Inspection After Delivery

  4
• Step 1: Unpack, Check Contents

  4
• Step 2: Install Handlebars

  4
• Step 3: Add Motor Oil

  5
• Step 4: Connect Battery Wires/Charge Battery

  5
• Step 5: Check Trimmer Head Hardware

  5
• SECTION 3: FEATURES AND CONTROLS

  6
• SECTION 4: OPERATION

  7
• Pre-Start Checklist

  7
• Fill Fuel Tank

  7
• Adjust Handlebar Height

  7
• Adjust Cutting Height

  8
• Using the Trimmer Head Control Bail

  8
• Operating the Trimmer/Mower

  9
• Trimming and Mowing Techniques and Tips

  10
• SECTION 5: MAINTENANCE/REPAIRS

  11
• Required Maintenance Schedule

  11
• Adjusting Trimmer Head Engagement

  12
• Removing and Replacing the Trimmer Head

  12
• Inspecting/Replacing the Drive Belt

  13
• Belt Performance Troubleshooting

  14
• Cleaning and Debris Removal

  14
• Changing Trimmer/Mower Lines

  15
• Cleaning the Engine Foam Debris Filter

  16
• General Lubrication

  16
• Compact Storage

  16
• General Engine Maintenance

  16
• Off-Season Storage

  16
• Battery Recharging

  17
• Battery Replacement

  17
• Troubleshooting

  18
• 1916993 Deck with decals

  1
• 1909301 Hex Hd Flange Screw, 1/4-20 x 5/8

  4
• 1904511 Decal-Hot Surface

  1
• 1763187 Hex Hd Flange Screw, 1/4-20 x 1

  2
• 1904403 Decal-Warning/Thrown Objects

  1
• 1910865 Belt Guide

  1
• 1739687 Decal-Danger Feet/Hands

  1
• 1915219001 Flap Bracket

  2
• 1915964 Decal-Warning

  1
• 1915211 Deflector Shield

  1
• 1915892 Decal-Warning

  1
• 1915212 Deflector Shield Rod

  1
• 1916853 Decal-Logo (A)

  1
• 1185304 E-Ring, 5/16"

  2
• Decal-Logo (B)

  1
• 1915205 Belt Cover

  1
• * Engine-Quantum, Std (A)

  1
• 1915290 Push-In Fastener

  5
• Engine-Quantum, Electric (B)

  1
• 1915967 Engine Cover Support w/decal

  1
• 1915965 Decal - Cover Support

  1
• 1916994 Engine Cover w/decals (A)

  1
• 9301 Key, 3/16" x 1" Sq.

  1
• 1915240 Pulley, 4" OD

  1
• 1915320 Spacer

  4
• 1915276 Engine Debris Guard/Foam

  1
• 1915304 O-Ring/Engine Debris Guard

  1
• 1916571 Engine Debris Guard

  1
• 1910835 Wire Harness (B)

  1
• 9677 Set Screw

  1
• 1909647 Battery (B)

  1
• 94018 Washer

  2
• 1909697 Battery Connector (B)

  1
• 9218 Clip

  2
• 1915268 Battery Pad (B)

  1
• 9719 Socket Hd. Capscrew, 1/4-20 x 1

  1
• 1915204001 Battery Bracket (B)

  1
• 1185814 Toplock Nut, 1/4-20

  1
• 90063 Hex Hd. Flange Screw, 5/16-18 x 1**

  3
• 1768194 Hex Hd. Flange Screw, 3/8-16 x 1-1/2

  3
• 1754128 Hex Hd Flange Screw, 1/4-20 x 3/4

  2
• 1915963 Upper Handlebar w/decal

  1
• 1763682 Cable Tie

  2
• 1915889 Bail Decal

  1
• 1910809001 Lower Handlebar (B)

  1
• 1910809001 Lower Handlebar (A)

  1
• 1915270001 Bail

  1
• 1749977001 Cable Bracket

  1
• 20 1732499 Lock Nut, 5/16-18

  2
• 1908677 Nyliner Bushing

  2
• 1904406 Decal - Keyswitch (B)

  1
• 1908673 Retaining Ring, external .312 I.D

  1
• 1900455 Ignition Switch (B)

  1
• 1910852 Control Cable

  1
• 1187950 Lockwasher, 5/8 (B)

  1
• 24 92018 Hex Nut, 5/8-32 (B)

  1
• 1983658 Hex Hd Screw, 1/4-20 x 1-1/8

  1
• 96520 Ignition Key (A)

  1
• 1185814 Top Lock Nut, 1/4-20

  1
• 1910850001 Spindle Mounting Plate

  1
• 1910839 Spindle Assembly

  1
• 1910860001 Belt Guide

  1
• 1910856 Spindle Spacer

  1
• 1910842 Spindle Pulley

  1
• 1904308 Hex Flange Nut, 1/2-13

  1
• 1915555 V-Belt

  1
• 1904479 Idler Arm/Brake Shoe Assembly

  1
• 1910859 Socket Hd Capscrew, 10-24 x 3/4

  1
• 1910847 Brake Shoe

  1
• 1983039 Hex Lock Nut, 10-24

  1
• 1727978 V-Groove Idler Pulley

  1
• 1186393 Hex Flange Nut, 3/8-16

  2
• 1910855 Flat Idler Pulley

  1
• 1915261 Washer, .88 x .382 x .275

  1
• 1910854 Idler Arm Spacer

  1
• 1910857 Button Head Screw, 3/8-16 x 1-1/2

  1
• 1910852 Control Cable (also Ref. 13, Pg. 4)

  1
• 1910849 Idler Tension Spring

  1
• 1910858 Hex Flange Screw, 3/8 x 16 x 2-1/4

  1
• 1909304 Hex Flange Screw, 5/16-18 x 3/4

  4
• 90063 Hex Flange Screw, 5/16-18 x 1

  5
• x .060 thick

  1
• 9928 Belleville Washer, 5/8

  1
• 1910823 Wheel - 6 spoke

  2
• 1111606 Hex Head Bolt, 5/16-18 x 2

  2
• 1915823 Wheel Stud

  2
• 1186331 Hex Flange Screw, 5/16-18 x 1

  4
• 1915824 Wheel Mounting Bracket

  2
• 9901 Washer, 5/16 ID

  2
• 1733398 Top Lock Nut, 3/8-16

  2
• 1744708 Hex Lock Nut, 5/16-18

  8
• 1910863 Shoulder Washer

  1
• 1910861 Spindle Head

  1
• 1915857 Trimmer Head

  1
• 1910862 Hex Spline Washer

  1
• 1915220001 Wear Cup

  1
• 1915239 Washer

  1
• 1904308 Hex Flange Nut, 1/2-13

  1
• 1904476 Trimmer String Kit, .155" (includes 3 5003 Safety Goggles

  1