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Cub Cadet SC 621, Руководство оператора

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8

Figure 5

•

The rope guide, which is connected to the support 
rod, is located on the right side of lower handle.  
See Figure 5.

•

With the spark plug wire disconnected and 
grounded, hold the blade control handle against the 
upper handle, and pull the starter rope out of the 
engine. Release the blade control handle. Slip the 
starter rope into the rope guide.

SECTION 4:  KNOW YOUR LAWN MOWER

Read this operator’s manual and safety rules before operating your lawn mower. Compare the illustrations in Figure 
6 with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this 
manual for future reference.  

WARNING: The operation of any lawn mower can result in foreign objects being thrown into the
operator’s eyes and causing severe eye damage. Always wear safety glasses while operating the
mower, or while performing any adjustments or repairs on it.

Figure 6

Recoil Starter

The recoil starter is attached to the right lower handle. 
Stand behind the unit and pull the recoil starter to start 
the unit. See Figure 6.

Blade Control Handle

The blade control handle is located on the upper handle 
of the mower. The blade control handle must be 
depressed in order to operate the unit. Release blade 
control handle to stop engine and blade. See Figure 6.

WARNING: This blade control mechanism
is a safety device. Never attempt to bypass
its operations.

Rear Cutting Height Adjustment Lever

The rear wheel cutting height adjustment lever is 
located above the left rear wheel. The front wheel 
cutting height is determine by the location of each 
caster wheel. See Figure 6.

Drive Clutch Control

The drive clutch control is located on the upper handle. 
Squeeze the drive control to engage the drive system. 
Release the clutch control to disengage the drive 
system. Release the clutch control to slow down when 
approaching an obstacle, making a turn, or stopping. 
See Figure 6.

Shift Lever

The shift lever is located on the drive clutch control 
housing on the upper handle. This lever is used to 
select the forward speed of the mower. When changing 
speed selection, release the drive clutch control. See 
Figure 6.

NOTE:  Move the shift lever only when the engine is
running. Changing the shift lever setting with the engine
off can cause damage to the mower. 

Starter
Rope

Rope
Guide

Lower
Handle

Support
Rod

Blade Control
Handle

Recoil
Starter

Rear Cutting Height

Adjustment Lever

 

Drive Clutch
Control

Shift
Lever 

Front Wheel
Height Adjuster

Front Wheel
Caster Locks 

Содержание SC 621

Страница 1: ...the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark arrester ...

Страница 2: ...eed help from our Customer Support Department or an authorized dealer You can locate the model number by looking down at the rear of the deck A sample model plate is explained below For future reference please copy the model number and the serial number of the equipment in the space below CALLING CUSTOMER SUPPORT If you have difficulty assembling this product or have any questions regarding the co...

Страница 3: ...en overlooked and could be accidentally thrown by the mower in any direction and cause serious personal injury to the operator or any others allowed in the area Wear sturdy rough soled work shoes and close fitting slacks and shirts Shirts and pants that cover the arms and legs and steel toed shoes are recommended Do not wear loose fitting clothes or jewelry They can be caught in moving parts Never...

Страница 4: ...e slope gauge Do not mow on wet grass Reduced footing could cause slipping CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children Children are often attracted to the mower and the mowing activity Never assume that children will remain where you last saw them Keep children out of the mowing area and under the watchful care of a responsible adult other than the ...

Страница 5: ...low objects to be thrown For safety protection frequently check components and replace with manufacturer s recommended parts when necessary Mower blades are sharp and can cut Wrap the blade s or wear gloves and use extra caution when servicing them Do not change the engine governor setting or overspeed the engine Excessive engine speeds are dangerous WARNING YOUR RESPONSIBILITY Restrict the use of...

Страница 6: ... N T I N G A 1 5 S L O P E WARNING Do not mow on inclines with a slope in excess of 15 degrees a rise of approximately 2 1 2 feet every 10 feet A riding mower could overturn and cause serious injury If operating a walk behind mower on such a slope it is extremely difficult to maintain your footing and you could slip resulting in serious injury Operate RIDING mowers up and down slopes never across ...

Страница 7: ...seated securely into the handle mounting brackets Tighten the wing nuts on each side of the handle carriage bolts must be seated properly into the handle See Figure 2 NOTE Your mower is shipped with the handle in the higher height position If you wish to lower the height of the handle refer to the Adjustment Section at this time Remove the hairpin clips from the outer hole in the weld pins on the ...

Страница 8: ...er The blade control handle must be depressed in order to operate the unit Release blade control handle to stop engine and blade See Figure 6 WARNING This blade control mechanism is a safety device Never attempt to bypass its operations Rear Cutting Height Adjustment Lever The rear wheel cutting height adjustment lever is located above the left rear wheel The front wheel cutting height is determin...

Страница 9: ...llowing questions With the drive clutch control released push mower forward and pull it backward Does it move freely Towards Better Mower Performance 1 Read this manual in its entirety before you start the lawn mower Instructions given here have been designed for maintaining safety while getting the best performance from your mower Follow the instructions closely 2 Pour fresh clean gasoline into t...

Страница 10: ...rottle which is set at full throttle for best performance Stand behind the mower and squeeze the blade control handle against the upper handle Grasp recoil starter handle and pull rope out slowly until engine reaches the start of compression cycle rope will pull slightly harder at this point Let the rope rewind slowly Pull rope with a rapid continuous full arm stroke Keeping a firm grip on the sta...

Страница 11: ...o move the starter rope out of the way of the bag when the chute door is opened Figure 9 Emptying the Grass Bag While holding the grass bag by both the rear handle and the lower handle lift the grass bag straight up off the adapter The chute door will move the rope out of the way of the bag Continue to hold the lower handle and raise the rear of the grass bag up toward your chest The grass bag wil...

Страница 12: ...dle Height Adjustment Your mower is shipped with the handle in the higher height position To lower the height proceed as follows Remove the starter rope from the rope guide Remove the upper handle by removing the hand knobs and carriage bolts Lay the upper handle out of the way being careful not to bend or kink the cables Remove the hairpin clips from the weld pins on the handle brackets Press out...

Страница 13: ...n the adjustable cable bracket and tighten hex nut Figure 15 Engine Adjustments See the separate engine manual packed with your unit for adjustments to the engine SECTION 7 MAINTAINING YOUR LAWN MOWER Adjustment Bottom View Wheel Drive Clutch Control Upper Handle Bottom View Speed Control Lever Upper Handle Hex Nut Adjustable Cable PUSH Bracket Customer Responsibilities MAINTENANCE SCHEDULE PRODUC...

Страница 14: ...ausing a starting problem Engine Refer to the separate engine manual for all engine maintenance instructions Maintain engine oil as instructed in the separate engine manual packed with your unit Service air cleaner every 25 hours under normal conditions Poor engine performance and flooding usually indicate that the air cleaner should be serviced To service the air cleaner refer to the separate eng...

Страница 15: ... your mower the blade bolt must be checked periodically for correct torque Drive Belt Removal and Replacement Disconnect the spark plug wire and ground it against the engine Drain the fuel tank or place a piece of plastic beneath the cap to prevent gasoline leakage Place shift lever in the first position and tip the mower on its side Remove the center bolt which secures the blade to the crankshaft...

Страница 16: ...so that the belt is not in the pulley groove and the lower pulley can be pushed towards the engine See Figure 22 Pivot the control arm back to its original position and reinstall the six speed cable into the slot See Figure 23 Check and make sure the belt is routed inside the pulley halves and the belt guard pin Figure 23 Reinstall the bolt securing transmission to rear mower housing Transmission ...

Страница 17: ...ected 3 Fuel tank empty or stale fuel 4 Blocked fuel line 5 Faulty spark plug 1 Engage blade control handle 2 Connect wire to spark plug 3 Fill tank with clean fresh gasoline 4 Clean fuel line 5 Clean adjust gap or replace Engine runs erratic 1 Spark plug wire loose 2 Blocked fuel line or stale fuel 3 Vent in gas plugged 4 Dirty air cleaner 5 Carburetor out of adjustment 1 Connect and tighten spar...

Страница 18: ...ference only 41 40 65 36 24 17 21 19 34 18 13 28 26 32 29 11 20 26 28 35 12 14 15 30 33 26 31 25 16 27 23 22 64 38 7 66 2 2 37 39 60 51 58 55 59 61 56 16 25 31 4 5 73 4 5 74 87 85 86 84 83 82 9 9 8 10 8 68 68 67 69 70 48 49 48 81 78 79 76 54 53 46 47 50 44 45 52 77 80 43 80 77 75 6 1 3 6 2 88 ...

Страница 19: ...39 24 23 732 0803A Spring Lever 67 742 0741 21 Mulching Blade 24 732 0832 Torsion Spring 68 748 0377C Blade Adapter 25 736 0270 Bell Washer 285 x 75 x 082 69 736 0524A Blade Bell Support 26 736 0369 Flat Washer 508 I D 1 000 x 020 70 710 1257 Hex Bolt 3 8 24x2 5 Lg 27 738 0529 Shoulder Nut 825 Dia x 165 Lg 73 731 1832 Side Discharge Chute 28 741 0324 Hex Flange Bearing 506 I D x 590 L 74 731 1833 ...

Страница 20: ...20 Model SC 621E 16 21 18 20 23 22 17 19 24 A 26 25 A 28 27 29 14 30 2 2 4 36 3 5 1 5 3 7 6 34 33 31 32 35 39 40 56 12 11 42 41 46 38 50 54 47 44 45 51 37 53 49 52 55 ...

Страница 21: ...16 731 0904A Upper Control Housing 41 725 0873 Ignition Switch 17 731 0924 6 Speed Shift Lever 42 725 0201 Ignition Key 18 713 0397 Gear Insert 44 725 1206 Plug 19 710 1667 C Sunk Tap Screw 10 16x 625 45 625 0021 Wire Harness 20 732 0627 Shift Lever Spring 46 710 1270 Hex Bolt 1 4 20 x 1 3 Lg 21 16864 6 Speed Rack Cable Brkt 47 736 0270 Bell Washer 1 4 I D 22 731 0905A Lower Control Housing 49 782...

Страница 22: ...22 Model SC 621 16 21 18 20 23 22 17 19 24 A 26 25 A 28 27 29 11 13 14 15 30 2 2 4 36 3 5 1 5 3 34 33 31 32 35 37 6 8 ...

Страница 23: ...37 736 0451 Saddle Washer Ref No Part No Part Description Model SC 621 Ref No Part No Part Description 1 710 1174 Carriage Bolt 5 16 18 x 2 0 2 714 0104 Cotter Pin 072 x 1 12 Lg 3 720 0241 Knob Ass y Wing Nut 5 16 18 4 726 0240 Strap 4 3 Lg 5 736 0451 Saddle Washer 320 ID x 830 OD 6 712 0429 Hex Nut 5 16 8 710 1270 Oval C Sunk Screw 11 712 0324 Lock Nut 1 4 20 13 746 0883 Control Housing 14 746 09...

Страница 24: ...x 75 x 062 9 736 0329 Lock Washer 1 4 Reg Duty 10 736 0526 Wave Washer 1 38 x 88 x 029 11 738 0924 Shoulder Screw 375 x 1 4 14 12 750 1070 Sleeve Spacer 88 ID x 1 00 OD 13 750 1071 Sleeve Spacer 88 ID x 1 13 ID 14 756 0625 Roller Cable 15 782 7574 6 Speed Cable Adj Bracket 16 782 7575 6 Speed Cable Mt Bracket 17 782 7596 6 Speed Control Arm 18 782 7597 6 Speed Pivot Bracket 19 712 0138 Hex Nut 1 4...

Страница 25: ...0 Flat Washer 885 x 1 45 14 721 0329 Oil Seal 15 618 0253 Upper Housing Assembly 16 736 0616 Thrust Washer 504 x 70 17 717 1487 Pinion Shaft 10T 18 736 0314 Thrust Washer 3 8 x 70 19 736 0569 Thrust Washer 388 x 625 20 618 0252 Lower Housing Assembly 21 710 0642 Hex Screw 1 2 20 x 75 22 782 7601A Cable Bracket 23 741 0674 Bearing 24 611 0066 Shaft Assembly 25 721 0325 Plug 26 717 1469 Gear 34T 27 ...

Страница 26: ...26 NOTES ...

Страница 27: ...27 ...

Страница 28: ...adet equipment used commercially is warranted for one year only Commercial use is defined as either having hired operators or used for income producing purposes Items not covered The warranty does not cover routine maintenance items such as lubricants filters oil fuel air and hydraulic cleaning tune ups brake and or clutch inspection adjustments made as part of normal maintenance blade sharpening ...

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