Instruction/ maintenance manual of the product 737-0168 MTD
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Two-Stage Snow Thrower Styles C & D Oper ator’ s Man ual IMPOR T ANT : READ SAFETY R ULE S AND INSTR UCTIONS CAREFULL Y Warning: This unit is equipped with an internal co mbustion engine and sho.
2 TABLE OF CONTENTS FINDING MODEL NUMBER This Operator’s Ma nual is an important part of yo ur new snow thrower. It w ill help you assemb le, prepare and maintain the unit fo r best performance.
3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: Engine Exhaust, some of it s constituents , and cer tain vehicle components contain or emit chemicals known to the State of Calif or nia to cause cancer , birth defects or other reproductiv e harm .
4 Operation 1. Do not put hands or feet near rotating p arts, in the auger/impeller housing or chute assembly. Contact with the rotating parts can amputate hand s and feet. 2. The aug er/impeller contr ol lever is a safety device. Never bypa ss its opera tion.
5 YOUR RESPONSIBILITY Restrict the use of this power machine to persons who read, understand and follow the warnings and in structions in this manual and on the machine. Do not modify engine To avoid serious injury or de ath, do not modify engine in any way.
6 SECTION 2: ASSEMBLING YOUR SNOW THROWER NOTE: References to rig ht or left side of the snow thrower are de termined from behind th e unit in the operating p osition (stand ing directly be hind the snow thrower, facing th e handle panel). NOTE: This Operator’s Manu al covers several models.
7 Attaching the Chute Assembly and Directional Control 1. Apply a light lubricant (i.e. 3-in- 1 oil) to the rim of the chute base and position t he chute assembly over the base. 2. Close the flange keepe rs to secure the chute assembly to the chut e base.
8 SECTION 3: KNOW YOUR SNOW THROWER WARNING: Read, understa nd, and follow all instructions and wa rnings on the machine and in this manual before operating.
9 Auger Control The auger cont rol is located on the left handle. Squeeze the co ntrol grip against the handle to en gage the augers and start sno w throwing action. Release to stop. Drive Contro l The drive control is located on the right hand le. Squeeze the co ntrol grip against the handle to en gage the wheel drive.
10 SECTION 4: OPERATING YOUR SNOW THROWER Before Starting WARNING: Read, understand, and follow all instructions and wa rnings on the machine and in this manual befor e operating. Gas & Oil Fill-Up Service the eng ine with gasoline and oil a s instructed in the Tecumseh Engines ma nual packed separately with your snow thrower.
11 • Pull the starter handle with a firm, rapid stroke. IMPORT ANT: Do not releas e the ha ndle and allow it to snap back. Keep a firm hold on the star ter handle and allow it to slowly recoil. • As the engine warms, slowly rotate the choke control to t he OFF posit ion.
12 • Repeat Auger Con trol Test to verify proper adjustment has been achieved. Figure 1 Drive / Auger Lock (on models so equipped) The drive/aug er lock allows the user to operate the snow thrower with one hand, leaving the left hand free to operate the ch ute directional control.
13 SECTION 5: MAKING ADJUSTMENTS Drive Contro l When the dr ive control is released and in the disengaged “u p” position, the cable should have very little slack. It sh ould NOT be tight. Check the adjustment of th e drive control as follows: 1. With the drive control released , push the snow thrower gently forward .
14 Tire Pre ss u re • Before op erating, ch eck tire pre ssure and reduce pressure to between 15 psi and 20 psi. NOTE: If the tire pressure is not equ al in both tires, the unit may pull to one side or the other. Auger Control Refer to Auger Control Test on Page 11 to adjust the auger control.
15 SECTION 6: MAINTAINING AND SERVICING YOUR SNOW THROWER WARNING: Before lubricating, repairing, or inspecting, disengag e all controls and stop engine. Wait until all moving parts have come to a complete stop. Engine Refer to the sepa rate Tecumseh Engines manual packed with your unit fo r all engine maintenance .
16 Auger Belt Replacement WARNING: Before servicing, disconnect spark plug wire and gr ound it against the engine to prev ent uninten ded starting. To remove a nd replace your snow t hrower’s auger b elt, proceed as follows: 1. Remove the plastic belt cove r on the front of the engine by removing the two self-t apping screws.
17 Drive Belt Replacement WARNING: Before servicing, disconnect spark plug wire and gr ound it against the engine to prev ent uninten ded starting. To remove a nd replace your snow t hrower’s auger b elt, proceed as follows: 1. Remove the plastic belt cove r on the front of the engine by removing the two self-t apping screws.
18 Friction Wheel Removal If the snow throwe r fails to drive with the driv e control engaged, and pe rforming the drive control cable adjustment on page 15 f ails to correct the problem, th e friction wheel may need to be r eplaced. Follow the instructions below.
19 Augers • The augers a re secured to the spiral shaft with two shear pins and cotter pins. If the auger should st rike a foreign object or ice ja m, the snow thro wer is designed so that the pins may sh ear. Refer to F igure 8. • If the augers will no t turn, check to see if the pins have sheare d.
20 SECTION 8: TROUBLE SHOOTING GUIDE NOTE: For repairs beyond t he minor adju stments abov e, contact y our local au thorized se rvice dealer. T roub le P ossible Cause (s) Corrective Action Engine fails to start Fuel t ank empty, or stale fuel. Blocked fuel line.
21 NOTES.
22 42 43 44 3 41 4 20 39 37 28 6 13 17 8 40 1 2 20 14 10 38 25 32 31 33 27 26 8 30 35 36 3 45 46 7 34 9 8 19 23 22 24 21 11 16 29 5 15 18 29 12 SECTION 9: PARTS LIST.
23 Styles C & D REF . NO . PA R T NO . DESCRIPTION 1 684-04106A Handle Ass’y , Engageme nt RH Black 2 684-04105A Handle Ass’y , Engagement, LH Black 3 710-0726 Screw , Self-tapping , 5/16-12, 0.750 4 710-1233 Screw , Machine, #10-24, 1.375 5 710-04164 Screw , #8-18 x .
24 27 27 50 46 49 52 59 56 60 33 29 33 28 28 51 45 30* 31 34 32 53 57 48 55 2 7 35 4 4 8 44 8 6 21 23 12 7 14 18 61 15 24 3 22 9 38 40 4 36 1 16 5 13 26 37 41 8 6 8 43 41 64 42 25 62 54 58 47 9 17 63 .
25 Styles C & D REF . NO . PA R T NO . DESCRIPTION 1 731-2643 Clean Out Tool 2 684-04057 Impeller Assembly, 12” Diameter 3 710-0347 Hex Screw, 3/8-16, 1.75, Gr5 , Std 4 710-0451 Bolt, Carriage, 5/16-18, .750 Gr1 5 710-0703 Screw, Carriage, 1/4-20, .
26 40 51 47 57 53 48 56 58 7 52 7 46 49 59 44 43 54 50 17 41 55 58 42 36 32 35 34 9 28 19 18 30 20 24 7 29 13 33 23 11 5 22 3 24 15 21 24 6 1 16 12 14 2 14 10 4 38 9 9 28 31 9 37 8 20 25 7 26 27 39 9 .
27 Styles C & D Wheel Assembly Complete Wheel Size Rim Onl y Tire Only Air V alve 634-04144 13 x 4 634-04151 734-1732 734-0255 634-04143 13 x 5 634-04151 734-1527 734-0255 634-04142 15 x 5 634-04151 734-1859 734-0255 634-04141 16 x 4.8 634-04140 734-1530 734-0255 NOTE: Snow thro wer features and components va ry by model .
MANUF A CTURER’S LIMITED W ARRANTY FOR: The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States, its poss essions and territories.
An important point after buying a device MTD 737-0168 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought MTD 737-0168 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 MTD 737-0168 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, MTD 737-0168 you will learn all the available features of the product, as well as information on its operation. The information that you get MTD 737-0168 will certainly help you make a decision on the purchase.
If you already are a holder of MTD 737-0168, 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 MTD 737-0168.
However, one of the most important roles played by the user manual is to help in solving problems with MTD 737-0168. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device MTD 737-0168 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