Snapper 381451HBVE Safety Instructions & Operator'S Manual Download Page 21 | Manualshive

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21

Section 4 - ADJUSTMENTS & REPAIR

WARNING

DO NOT attempt any adjustments, maintenance,
service or repairs with the engine running. STOP
engine. STOP blade. Engage parking brake. Remove
key. Remove spark plug wire from spark plug and
secure away from plug. Engine and components are
HOT. Avoid serious burns, allow all parts to cool
before working on machine.

4.6 MOWER DECK LEVEL ADJUSTMENT

If you are experiencing an uneven cut refer to
“TROUBLESHOOTING” section in this manual.
Before attempting any deck adjustments ADJUST
TIRE PRESSURE - 12 PSI FRONT & 12 PSI REAR
The mower blades should be level side to side
within 1/8” or less. Check level and adjust as
follows:
1.  Park machine on flat surface. Stop engine. Stop
blades. Engage parking brake. Remove key.
2.  Wearing heavy gloves, carefully grasp blades
and rotate until both are perpendicular to the
machine frame.
3.  Check side to side level. Measure distance from
the blade tip to the ground. Record this for both
blades.
4.  The two distances should not differ more than
1/8”. If difference is greater than 1/8”, adjustment
will be required.
5.  Locate the threaded deck hanger rod on the
side of the deck that was measured to be low.
6.  Remove hairpin from hanger rod. Rotate
CLOCKWISE one to two turns.
7.  Recheck side to side level. If 1/8” or less
adjustment is complete. If still greater than 1/8”
adjust hanger rod as needed.
8.  Reinstall hairpin into hanger rod.

FIGURE 4.11

4.7 SERVICE BRAKE / PARK BRAKE ADJUSTMENT

1.  Park machine on flat surface. Stop engine. Stop
blades. Remove key.
NOTE: DO NOT engage parking brake.
2.  Locate disc brake on left side of transmission.
Move brake arm fully forward in slot. See Figure 4.11.
3.  Use a .020” thick feeler gage to adjust the
clearance between the brake pad and disc.
4.  Insert the .020” feeler gage vertically up at the
bottom of the disc and between the disc and pad.
5.  Tighten the brake adjustment nut until a light
drag is felt on feeler gage. Remove feeler gage.
6.  Check disc. With brake released the disc
should be free to move.
7.  Engage parking brake. Pedal effort should not
be excessive. Check brake rod spring. With brake
engaged there should be clearance between the
coils. See Figure 4.12.
8.  Check brake function. Refer to Section
“CHECKING SERVICE BRAKE/PARK BRAKE”.

FIGURE 4.12

BRAKE DISC

BRAKE
ARM

ADJUSTMENT
NUT

INSERT FEELER
GAGE BETWEEN
DISC & PAD

BRAKE SPRING - CLEARANCE BETWEEN
COILS WITH PARK BRAKE ENGAGED.

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Summary of Contents for 381451HBVE

Page 1: ... B Briggs Engine 1 Series Designation V Over Head Valve E Electric Start Thank you for buying a SNAPPER Product Before operating your machine read this manual carefully and pay particular attention to the IMPORTANT SAFETY INSTRUCTIONS on Pages 2 3 Remember that all power equipment can be dangerous if used improperly Also keep in mind that SAFETY requires careful use in accordance with the operatin...

Page 2: ...1 DO NOT operate machine on slopes exceeding 15 degrees 27 grade 2 Exercise EXTREME CAUTION on slopes above 10 degrees 18 grade Turn blades OFF when traveling uphill Use a slow speed and avoid sudden or sharp turns 3 DO NOT operate machine back and forth across face of slopes Operate up and down Practice on slopes with blades off 4 AVOID uphill starts If machine stops going uphill or tires lose tr...

Page 3: ...directional changes OPERATION Continued From Previous Column 14 Exercise CAUTION when pulling loads Limit loads to those you can safely control and attach loads to hitch plate as specified with SNAPPER attachment instructions 15 DO NOT operate engine in enclosed areas Engine exhaust gases contain carbon monoxide a deadly poison MAINTENANCE 1 DO NOT store machine or fuel container inside where fume...

Page 4: ...ck Transmission 14 Check Service Brake Park Brake 14 Check Interlock System 14 Lubrication Grease Fittings 14 15 Service Every 25 Operating Hours 16 Service Annually 16 Storage Out Of Season 16 SECTION 4 ADJUSTMENTS AND REPAIR 17 24 Engine Adjustments Repair 17 Mower Blade Replacement 17 Blade Sharpening 17 Mower Blade Drive Belt Adjustment Replacement 17 18 Engine To Deck Belt Adjustment 17 19 En...

Page 5: ...he nomenclature information above shows the essential parts of the SNAPPER Hydro Rear Engine Rider It is recommended that all operators of this equipment become thoroughly familiar with the controls components and operation of this machine before operating Specific details involving the engine are found in the separate engine owner s manual Study these manuals before operating and keep both handy ...

Page 6: ... securely tightened 2 1 3 Check engine oil and add oil as needed to bring level up to the FULL mark Refer to engine owner s manual for oil specifications See Figure 2 1 2 1 4 Adjust seat as needed to most comfortable position Refer to Section Operators Seat Adjustment for instructions FIGURE 2 1 2 1 5 Check blade engagement lever to insure it works freely 2 1 6 Clean exterior surfaces of cutting d...

Page 7: ...ed See Figure 2 4 FIGURE 2 4 4 Move blade control lever back to the OFF blade disengaged position See Figure 2 5 5 Move engine speed control to the choke position to start a cold engine See Figure 2 6B 6 Turn key to the START position until engine starts See Figure 2 6A NOTE If after 5 seconds of cranking the engine does not start release the key Make sure the clutch brake pedal is fully depressed...

Page 8: ...n Start engine as follows 1 Complete pre start checklist 2 Engage parking brake See Figure 2 4 3 Move blade control lever back to the OFF blade disengaged position See Figure 2 5 4 Move engine speed control to the choke position to start a cold engine See Figure 2 7 FIGURE 2 7 FIGURE 2 8 5 Turn key to RUN position See Figure 2 8 6 Pull starter rope with a smooth even motion until engine starts Alw...

Page 9: ...chine to move rearward Removing foot from ground speed pedal allows the control to return to neutral stopping movement of the machine Neutral is not a parking brake setting The machines brake is controlled with the clutch brake pedal Refer to Section STOPPING WHEEL DRIVE Forward and reverse ground speed is controlled by the amount the ground speed control pedal is depressed See Figure 2 10B Move p...

Page 10: ...ld come to a complete stop in 3 seconds or less If the blade continues to rotate after 3 seconds the blade brake must be adjusted Refer to Section BLADE BRAKE ADJUSTMENT for adjustment procedures or return the machine to an authorized Snapper dealer for adjustment DO NOT continue to operate mower until blade brake is adjusted and functioning properly 2 4 3 MOWER BLADE Stop mower blade by moving bl...

Page 11: ...the pedal See Figure 2 15 FIGURE 2 15 2 5 CUTTING HEIGHT ADJUSTMENT 1 Adjust cutting height using cutting height adjustment lever Depress latch release button located at the tip of the cutting height lever and move lever to desired cutting height Release latch button Try to move cutting height lever to ensure latch is fully engaged See Figure 2 16 FIGURE 2 16 CLUTCH BRAKE PEDAL DEPRESS PEDAL FULLY...

Page 12: ...n on engine Attach hose supplied with machine to fitting See Figure 3 1 2 Place a 2 quart minimum capacity container under the drain valve and route hose into container 3 Loosen or remove oil fill cap on engine 4 Turn drain valve counter clockwise and pull out Allow sufficient time for oil to drain completely 5 Close the oil drain valve Push valve in and turn clockwise Remove hose from fitting 6 F...

Page 13: ...Check Blade Drive Belt The blade drive consists of two belts The engine to deck belt will require inspection and periodic adjustment The deck belt requires inspection only B Engine To Deck Belt 1 Stop engine Stop blades Engage parking brake Remove key 2 Remove cover to gain access to belt by removing four screws See Figure 3 4 FIGURE 3 4 3 Visually inspect condition of belt If worn or damaged repl...

Page 14: ...fluid change Check transmission cooling fan and cooling fins Keep these items clean and free of debris build up See Figure 3 7 FIGURE 3 7 3 2 7 Service Brake Park Brake 1 Check machine brake for proper function Engage park brake Push machine Rear tires should skid Drive machine forward and apply brake Machine should come to a complete stop in less than 5 ft 2 If brakes are not functioning properly...

Page 15: ...2 3 shots See Figure 3 9 FIGURE 3 9 3 Front wheel bearings 3 5 shots See Figure 3 10 FIGURE 3 10 4 Transmission belt idler arm pivot 1 3 shots See Figure 3 11 FIGURE 3 11 5 Deck spindle housings 1 3 shots See Figure 3 12 FIGURE 3 12 AXLE PIVOT KING PIN BUSHING WHEEL BEARINGS IDLER ARM PIVOT SPINDLE HOUSING GREASE FITTING ...

Page 16: ...ea where vapor can dissipate safely and away from all sources of ignition 1 Remove hose clamps from fuel filter 2 Pull hose out of hose support clamp See Figure 3 13 FIGURE 3 13 3 Squeeze tabs on hose clamps using pliers and slip clamps away from filter body 4 Pull hose off of filter Discard old filter 5 Elevate end of hose to prevent fuel from draining from tank 6 Slip hose over fittings on new f...

Page 17: ...ine Stop blades Engage parking brake Remove key 2 Carefully stand machine on rear bumper 3 Remove blades See Figure 4 2 FIGURE 4 2 4 Inspect condition of blades See Figure 4 1 5 If a blade is in good condition sharpen cutting edge at an angle of 22 to 28 degrees DO NOT sharpen beyond existing cutting edge Replace blades not in good condition 6 Check blade balance after sharpening Correct blade bal...

Page 18: ...position Install cover refer to note below and tighten screws securely NOTE If the threaded fitting adjustment did not produce proper spring extension leave cover off and proceed to next step FIGURE 4 4 6 If step 5 did not produce the correct spring extension the idler pulley will require repositioning The idler arm has a series of 4 holes See Figure 4 5 The 1 position produces the highest belt te...

Page 19: ...igure 4 6 FIGURE 4 6 4 Make sure blade control lever is OFF Route belt off of jackshaft pulley and idler pulley 5 Place deck in low cut 6 Route belt down off of engine pulley and between belt guides See Figure 4 3 7 Reverse procedure to install new belt 8 Check belt tension and adjust as required Refer to Section ENGINE TO DECK BELT ADJUSTMENT 9 Install cover to seat pedestal Tighten screws secure...

Page 20: ...djustment nut on the threaded brake rod The brake is initially set with 7 16 of thread exposed beyond the nut See Figure 4 9 Verify this setting before attempting any adjustments To tighten the brake stop blade rotation quicker turn the adjustment nut clockwise ONE TURN ONLY IMPORTANT DO NOT over tighten blade brake Tighten one turn and check function of brake If blade stop time remains over 3 sec...

Page 21: ...hreaded deck hanger rod on the side of the deck that was measured to be low 6 Remove hairpin from hanger rod Rotate CLOCKWISE one to two turns 7 Recheck side to side level If 1 8 or less adjustment is complete If still greater than 1 8 adjust hanger rod as needed 8 Reinstall hairpin into hanger rod FIGURE 4 11 4 7 SERVICE BRAKE PARK BRAKE ADJUSTMENT 1 Park machine on flat surface Stop engine Stop ...

Page 22: ... with electrical tape or sparking from the battery cables can result FIGURE 4 14 WARNING Cables must be connected to battery terminals in the proper position as show in Figure 4 14 DO NOT attempt to charge battery while installed on the Machine DO NOT use BOOST chargers on the battery 4 8 2 Battery Installation IMPORTANT Your Hydro Rear Engine Rider is equipped with a specially designed battery th...

Page 23: ... 1 amp for 10 hours 6 If battery will not accept charge or is partially charged after 10 hours of charging at 1 amp replace with new battery 4 8 4 Battery Storage If machine is to be stored out of season it is recommended the battery be removed charged and stored If the machine is stored out of season on its rear bumper the battery must be removed charged and stored 1 Remove battery Refer to Secti...

Page 24: ...tmeter Five Ball Hydrometer 100 Charged w Sulfate Stop 1 280 12 80v Five Balls Floating 100 Charged 1 265 12 60v Four Balls Floating 75 Charged 1 210 12 40v Three Balls Floating 50 Charged 1 160 12 10v Two Balls Floating 25 Charged 1 120 11 90v One Ball Floating 0 Charged Less than 1 100 Less than 11 80v Zero Balls Floating ...

Page 25: ... Starter cable loose broken or disconnected 12 Connect starter cable If broken replace with new starter cable 13 Electrical wiring harness disconnected or broken 13 Connect or replace with new wiring harness Engine Stalls After 1 Operator not in seat 1 Sit in operator s seat Running 2 Choke control in the CHOKE position 2 Move choke control to OFF position 3 Fuel tank empty 3 Fill fuel tank with f...

Page 26: ...cutting height 3 Engine speed too slow 3 Move throttle control to FAST position 4 Forward speed too fast 4 Move ground speed pedal to a slower speed 5 Terraced cut side to side 5 Adjust side to side level 6 Excessive deck pitch front to rear 6 Adjust front to rear pitch 7 Cutting blade s dull or damaged 7 Sharpen cutting edges or replace blade s 8 Mower belt slipping 8 Adjust tension or replace mo...

Page 27: ... Belts Check For Wear Tension Replacement Pages 13 19 20 X X Mower Blades Check For Wear And Damage Pages 13 17 X X Mower Deck Clean Debris Accumulation Page 16 X X X Lubrication Points Grease or Oil Pages 14 15 X X Blade Brake Stopping Time Check blade stopping for proper operation Pages 10 19 X X Clutch Brake System Check Clutch Brake for proper operation Page 7 11 21 X X Change oil every 25 hou...

Page 28: ...iginal purchase date SNAPPER will not be responsible for any installation cost incurred The battery warranty only covers original equipment batteries and does not cover damage to the battery or machine caused by neglect or abuse destruction by fire explosion freezing overcharging improper maintenance or use of improper electrolyte There is no other express warranty DISCLAIMER OF WARRANTY Implied w...

Page 29: ...29 PRIMARY MAINTENANCE ...

Page 30: ...30 PRIMARY MAINTENANCE ...

Page 31: ...31 PRIMARY MAINTENANCE ...

Page 32: ...32 PRIMARY MAINTENANCE ...

Page 33: ...______________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _____________________________________________________...

Page 34: ...If you have any questions about your Snapper product contact your local authorized Snapper dealer or contact Snapper Customer Service at Snapper McDonough GA 30253 Phone 1 800 935 2967 COPYRIGHT 2001 SNAPPER INC ALL RIGHTS RESERVED MANUAL No 7 2214 REV 3 8 29 01 WARNING ENGINE EXHAUST SOME OF ITS CONSTITUENTS AND CERTAIN VEHICLE COMPONENTS CONTAIN OR EMIT CHEMICALS KNOWN TO THE STATE OF CALIFORNIA...

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