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Operators Manual
Model Series
370 thru 389
Rotary Mowers
IMPORTANT:READ SAFETY RULESAND INSTRUCTIONSCAREFULLY
Warning:
This unit is equipped
with an internal combustion
engine
and _hou[d
not be used on or near ally unimproved
foresl-
CoMered,
_3 FUSII_ Covor ed
Or g_a_s-_v_rgd
IB+ndfJrl(ess IE1_ _noit3_'s
exhaust
Sy_tsyt_ is
{_qul{3p_
WItll
_ _p_ fl/_Ir_t_r
m¢3OliD_
addllo_dle
Iooal or Glat_ raw8 Ill any). if a spark arrestor
is used,
II sl_ouid
be malnlait_
hi eflectIve
working
order by the operator,
In the SLat_ Of Oalifornl_.Ih_
abavo
is required
DV law ISeclion
4442 of the CEtlilorr_ia Public Resources
Code)
Other s t_te,_ rosy hays
similar
laws. Federal laws apply on federal
land_.
A spa_
arrestor
for tile muffler is awii_ble
Ihro_lgh
your nearest
_nglne
=lktlhorlz ed
service
de_ler
or conlact
the service dep_rtmer_t,
PO.
19o_ 368022
_levoland.
Ohio 44136-g722
MTD PRODUCTS
INC. P.O. BOX 368022 CLEVELAND,
OHIO 44136-9722
PRINTED
rN U.S.A.
FORM NO. 770-10114
(10/98)
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Table of Contents
Related Manuals for MTD Series 389
Summary of Contents for MTD Series 389
- Page 1 Operators Manual Model Series 370 thru 389 Rotary Mowers IMPORTANT:READ SAFETY RULESAND INSTRUCTIONSCAREFULLY Warning: This unit is equipped with an internal combustion engine and _hou[d not be used on or near ally unimproved foresl- _3 FUSII_ Covor ed IB+ndfJrl(ess IE1_ _noit3_'s exhaust Sy_tsyt_ is WItll...
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Page 2: Section 1: Finding Your Model Number
SECTION 1: FINDING YOUR MODEL NUMBER This Operator's ManL_al is an important pert of your new walk behhld. It will help you assemble, prepare alqd maintain your walk behind. Please read and understand what it says, Before you start to prepare your walk behind for ds first use, please locate the model plate... -
Page 3: Safe Operation
SECTION 3: IMPORTANT SAFE OPERATION PRACTICES WARNING: THIS SYMBOL POINTS IMPORTANT SAFETY INSTRUCTIONS WHICH, FOLLOWED, COULD ENDANGER PERSONAL SAFETY AND/OR PROPERTY YOURSELF OTHERS. READ FOLLOW INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE YOUR LAWN MOWER. FAILURE TO COMPLY W[TH THESE INSTRUCTIONS MAY RESULT... - Page 4 losing your balance release blade control • DO not engage self-prabelled mechanism handle immediately and the blade will stop in less units so equipped while sthrLing engine, than 3 seconds. • The blade control handle is a safety device Never attempt to bypass its operagon.
- Page 5 • After striking a foreign object, stop etlglne, • TO reduce life hazard, _eep mower free of grass, remove wire from spark p_u_, leaves, or other deeds build-up. Clean up oil or fuer thoroughly inspect _he mower damage. spillage. Allow m_Jwer to cool at least 5 minutes Repair...
- Page 6 Saope Gauge...
- Page 7 SECTION 4: UNPACKING INSTRUCTIONS REMOVE UNIT FROM CARTON • See Figure 3, • Remove staples, break glue on top flaps, or cut tape at oarto_ end and peel along top flap to open carton. • Remove loose parts if Included with unit (i.e., owner's manual, etc.). •...
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Page 8: Section 5: Set-Up Instructions
SECTION 5: SET-UP INSTRUCTIONS This guide covers models 370 - 379 single speed self propelled mowers and 380 - 389 six speed self propelled mowers. Much of this guide pertains to both models. However, there are some areas where only one model is covered. Use only the information that is appropriate for your model. - Page 9 Step 4, Raise complete handle assembly until It Step 3. Tighten wing nuts. clicks into place. Make sure not to kink the control cables. Handle Assembly Step 7, Attach control cables to handle with pull Pinch lower handle against mounting Step 5.
- Page 10 SECTION 6: CONTROLS Recoil Starter , , _ five Clutch Control (If Equipped) "' Blade Conlrol HaNdl+__ Throttle Control All Models Models 380 - 389 Figure 5 BLADECONTROLHANDLE The blade control handle is located on the upper handle of the mower, Figure 5.
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Page 11: Cutting Height Adjustment Lever
NOTE: Only move the shift lever when the engine is running. Changing the shift lever setting with the engine off can cause damage to the mower. CUTTING HEIGHT ADJUSTMENT LEVER The cutting height adiustment lever is located above the left rear wheel. To adjust the culting height, pull the lever out and away from lhe mower and then move it forward or back for a new cutting height. -
Page 12: Neutral Adjustment
EACH TIME BEFORE START YOUR MOWER • Altach spad_ plug w_re [o spark plug. Make cerLein the metal cap on the end of the spark plug wire is fastened securely over the metal tip on the spark plug. , Check for proper drive clutch operation usin9 the NEUTRAL ADJUSTMENT TEST. - Page 13 BAGGING GRASS CLIPPINGS This mower can bag grass clippings. Follow steps 1 and 2 to ready the mower for bagging. Step 2, Hang grass bag on mower. Step 1. Remove mulching plug, if installed. HERE EMPTYING A FULL BAG OF GRASS Once he grass bag is full it w II need to be empt'ed, follow steps 3 and 4 to empty the grass bag.
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Page 14: Handle Height Adjustment
SIDE DISCHARGING GRASS CLIPPINGS (Optional) .... _:i'_p-l__" Lift r_aarflap, remove grass bag, or iSide Discharge Top and Left V=ew. mulch plug if installed,. Hang side This side up discharge chute. Hang SECTION 8: ADJUSTMENTS and disconnecting spark plug wire, WARNING; Do not at any time make any adjustment to lawn mower without first stopping engine HANDLE HEIGHT ADJUSTMENT Lower Handle _... -
Page 15: Throttle Control Adjustment
THROTTLE CONTROL ADJUSTMENT (If Equipped) On Engine Figure 8 If the throttle control located on the left side of the upper handle requires adiLIstment or if It has been replaced, adjust the throtge control as follows. • Remove the screw shown in Figure 8. Remove the cable clamp from the cable. •... -
Page 16: Section 10: Maintenance
SECTION 9: LUBRICATION doing any kind of work on the lawn mower. WARNING: Always stop engine and disconnect spark plug wire before cleaning, lubbcatlng or Blade Control Handle LUBI Wheels Engine BEE ENGINE MANUAL Figure 10 Blade Control: Lubricate the pivot points on the blade control handle and the brake cable at beast once a season with light oil. - Page 17 DECK The underside of the mower deck should be cleaned after each use to prevent a buildup of grass clippings, leaves, dirt or other matter. If this debds Is allowed to accumulate, it will invite rust and corrosion, and may prevent proper mulching, dlecharge or bagging.
- Page 18 SHIFT LEVER CABLE ADJUSTMENT (Models 380 - 389 Only) Periodic adjustment of the six speod shilt cable be required to normal wear on the cable. Adjustment is needed il all six speeds do not work The adjustable cable bracket is located on the left side of the mower, beside the engine.
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Page 19: Drive Belt Removal
DRIVE BELT REMOVAL AND REPLACEMENT (Model 370 Series) If you need to worn or broken drive belt, follow steps 1 through22. replace Step 1, Disconnect the spark plug and ground it. Drain the fuel tank. ' Step 2, Step 3. Remove rear hub caps and wheels. - Page 20 Step 17. Replace the eight phillips head screws Step 14. Replace large baffle. that hold the large baffle in place, Step 15. Replace small baffle and three hex head Step iS, Replace the rear wheels, rear wheel gears screws holding It in place. and hub caps.
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Page 21: Drive Belt Removal And Replacement
DRIVE BELT REMOVAL AND REPLACEMENT (Model 380 Series) you r_aed replace a worn or broken drive belt, follow steps 1 though 30. Step 1. Disconnect the spark plug and ground it. Step g, Drain the fuel tank, Step 3, Remove rear hub caps and wheels. Step 4. - Page 22 Step 13. squeeze the 5elt togeiliei a_d-push belt ..St_,p 1 g--Pivot tb_control arm down away from the fon_vard Press the control arm inward towards pulley and belt, the deck and remove the six speed cable from the slot Six-Speed Cable Slot Belt COlltroJ...
- Page 23 Step 22. Pivol the control arm back to its original Step 21. Pinch belt together so that it is not in the position and reilqstal! the six-speed cable into the pulley groove, and the lower pulley can be slot. pushed towards the engine.
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Page 24: Section 12: Trouble Shooting Guide
SECTION 11: OFF-SEASON STORAGE The following steps should be taken to prepare lawn mower ='or storage. • Clean and lubricate mower thoroughly as described in the lubrlcagon ir_structlons. • Refel to engine manual lot correct storage instructions. engifl@ * Coat mower's cutting blade with chassis grease to prevent rusting. - Page 25 Models 370 thru 389 Front Axle Assembly & Height Adjuster REF, PART NO, DESCRIPTION 611-0060 Axle Ass'y, Prt. 710-1348 ASPan Sc_ 1/4-14x 50 Lg, 714-0104 Cotter Pin ,072 x 1,12 L0, 732-0820 Ext. Spdn 0 747-0920A Adj. Rod 736-0!00 Bpr, Washer 738-0102 ShL Bolt .498 ×...
- Page 26 Models 370 thru 379 Size t OPTIONAL HUB CAPS Description Part No. Black (4-1/4" Dia.) 731-0354 Gray 14-1/4" Dia.} 731-0355A Gray (5-1/2" Dia,) 731-0961A Yellow (5-1/2" Dia.) 731_1426...
- Page 27 Models 370 thru 379 REF. REF. PART DESCRIPTION PART DESCRIPTION 750-0979 647=0804 Control Handle Ass'y IDelLIxe) Pulley Half - Lower 731=1630 Bagle Wheel Assembly 710-0600 Oval C-Sunk Math - Screw' 638-0005 Axle Assy: 796-0501 spring Washer .66" ID 682-7518 Axle Assy: Trans, 720-0279 Handle Knob 1/4-28 Thd,...
- Page 28 Models 380 thru 389...
- Page 29 Models 380 thru 389 REF. REF. PARTNO. PART NO. DESCRIPTION DESCRIPTION 732-0807 Control Handle Ass'y CStdl Tore/on Spring 647-0004 Contror Handle Ass'y {Deluxe) 736-0586 Wv.Wash.1 38 O.D. x .88 LDT.Ogg 731-1639 Saffle 710-0654A H×LWashHd $er. 3/816,1 710-0805 Ova! C-Sunk Mach- Screw* 682-0037 21"...
- Page 30 DESCRIPTION PART NO_ DESCRIPTION PART NO. REF. 1171 REF. Cow_ _c,_tTo I Housing 1g-0841 C-SunkTapScr _!0x.75 0905 Cable Mounting Cap 732-gg27 Shilt Lever Sprirlg 731-0906 S.E Cable 746-0711A 16864 6 Sp Rack Cable Bracket Control Lever 751-062g 712-0414 WBId Top [. 1/4-20 746-0939 Pawl Plate 6 Speed Cable - 53"...
- Page 31 Shroud Chart 751B281499 Dark Red 731-1395A 731-1587A Black 731-1061 SIack 751B28!440 _lack 731 1396A 731-1603A Yellow Pad NO. Part No. Er_<kC°t°r Part No, i_rP_we Part No. Color 751B201443 Bright Red 731-1397A !Gray 701-1610A ____ 731-1620A =Gray ....HardwBre: Hardware: Hardware: Hardware;...
- Page 32 MANUFACTURER'S LIMITED WARRANTY FOR: ffAR#MACHINES For TWO YEARS from the date of retail purchase Units exported of the United States; withil7 the United States of America, its possessions PRODUCTS INC does not extend any warranty territories, PRODUCTS INC will, al its products sold or exported...