Instruction/ maintenance manual of the product 521 Bolens
Go to page of 16
Single Stage Snow Thrower Models 521 & 721 PRINTED IN U .S.A. Oper ator’ s Man ual FORM NO . 769-00309A.fm (7/2003) IMPOR T ANT : Read saf ety rules and instr uctions carefully bef ore operating equipment.
2 TABLE OF CONTENTS Content Page Important Safe Op eration Practic es .............. ............. ................ ............. ................ .......... 3 Assembling Your Snow Thrower ................ ............. ................ ............. .
3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury.
4 4. Never operate with a missing or damaged discharge chute. Keep all safety de vices in place and workin g. 5. Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas. 6. Do not ope rate machine while u nder the infl uence of alcohol or drugs.
5 SECTION 2: ASSEMBLING YOUR SNOW THROWER Unpacking From Carton • Cut along corners of the carto n and lay it down flat. Remove packing material. • Remove any loose parts included with unit (i.e., operator’s manu al, etc.). • Roll unit out of carton.
6 SECTION 3: KNOW YOUR SNOW THROWER Figure 3 Auger Control Handle Located on the upper handle, the auger control hand le is used to engage and diseng age the auger. The snow thrower is designed to propel by the rotation of the auger. Pull th e auger control handle back against the upper handle to engage the auger; release to disengage .
7 SECTION 4: OPERATING YOUR SNOW THROWER Before Starting • The spark plug wire was disconnected for safety . Attach spark plu g wire to spark plug before starting. Gas and Oil Fill-Up • Check oil and gasoline level and ad d if necessary. Follow related instructions in the separate en gine manual packed with your snow thr ower.
8 T o Stop Engine • To stop e ngine, turn ignit ion key counter-clockwise. Disconnect the spark plug wire fr om the spark plug to prevent accidental st arting while equipment is unattended .
9 • To adjust, tip th e snow thro wer back so that it rests on the handle. Loosen the four lock nuts and bolts which secure the shave plate to the housin g. See Figure 7. Move the shave plate to desired position and retighten th e nuts and bolts securely.
10 • Install new shave plate, making sure the heads of the carriage bolts are on the inside of the housing. • Adjust the shave plate accor ding to instructions on page 8. Tighte n securely. Engine • Refer to t he separate engine m anual for all engin e maintenance proce dures.
11 SECTION 8: TROUBLESHOOTING GUIDE NOTE: For repairs beyond the mino r adjustments listed above, contact your ne arest authorized service representative or call 1-866-840-6 483 for the Customer Supp ort Center. Refer to th e engine manual for more engine rela ted inform ation.
12 10 SECTION 9: PARTS LIST FOR MODELS 521 & 721 41 39 44 35 35 44 35 44 33 43 42 18 3 14 21 8 20 10 28 22 4 1 13 11 21 2 16 7 29 12 17 25 22 28 19 15 30 6 9 9 13 31 23 27 CABLE T O BE ABO VE WHEE.
13 Models 521 & 721 NOTE: For painted parts , please refer to the list of color codes below. Please add th e applicable color code, wherever needed, to the part number to order a replacement part. For instance, if a part numbered 700 - xxxx is painted powder black, the part number to order would be 700-xxxx-0637.
14 Models 521 and 721 REF . NO . PA R T NO . DESCRIPTION 1 710-04071 Carriage Screw , 5/16-18 x 1.0 2 710-0451 Carriage Bo lt, 5/16-18 x.075 GR 1 3 712-3068 He x Patch I-Nut 5/16-18‘ 4 720-0284 Hand.
15 Models 521 and 721 REF . NO . PA R T NO . DESCRIPTION 1 629-0071 Extension Cord 2 710-0157 He x Screw , 5/16-24 x .75 3 710-0409 He x Screw , 5/16-24 x 1.75 4 710-0654A Self T apping Screw , 3/8-16 x 1.00 5 710-0751 He x Screw , 1/4-20 x .62 6 710-1003 Screw , #10-16 x .
MANUF A CTURER’S LIMITED W ARRANTY FOR: The limited warranty set forth be low is given by Troy-Bilt LLC with respect to new merchandise purch ased and used in the United States, its possessions an d territories.
An important point after buying a device Bolens 521 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bolens 521 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bolens 521 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bolens 521 you will learn all the available features of the product, as well as information on its operation. The information that you get Bolens 521 will certainly help you make a decision on the purchase.
If you already are a holder of Bolens 521, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bolens 521.
However, one of the most important roles played by the user manual is to help in solving problems with Bolens 521. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bolens 521 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
