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Giant-Vac M32125KAW Assembly Instructions And Operator's Manual

‘giant-mow’ walk-behind mower
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ASSEMBLY INSTRUCTIONS
OPERATOR'S MANUAL
PARTS LIST
'Giant-Mow'
Walk-Behind
Mower
32"
cut models
Actual product may differ slightly from product pictured above
Models covered:
M32125KAW
M3213BS
M3213BS-E
Manual No. 3079197 (1/2003)

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Summary of Contents for Giant-Vac M32125KAW

  • Page 1 ASSEMBLY INSTRUCTIONS OPERATOR’S MANUAL PARTS LIST ‘Giant-Mow’ Walk-Behind Mower 32” Models covered: cut models M32125KAW M3213BS Actual product may differ slightly from product pictured above M3213BS-E Manual No. 3079197 (1/2003)
  • Page 2 This page intentionally blank GVTP GM32-R0103.1...

  • Page 3: Model Number

    preliminaries Congratulations! You have just purchased one of the finest pieces of outdoor power equipment on the market today. If properly cared for, your new mower will provide years of dependable service. Please read and follow this instruction manual carefully in order to get the most out of your new equipment. As you carefully uncrate your unit, you will find the following items: Mower Unit Caster Kit including:...

  • Page 4: Operation

    safety rules regarding outdoor power equipment PLEASE READ THE FOLLOWING BEFORE ASSEMBLING OR OPERATING UNIT • Be sure transmission is in neutral and cutting TRAINING blades are disengaged before starting engine. • Read, understand, and follow all instructions in the •...

  • Page 5: Slope Operation

    safety rules regarding outdoor power equipment (cont.) • Never allow children to operate the unit. SLOPE OPERATION • Use extra care when approaching blind corners, Slopes are a major factor related to loss-of-control shrubs, trees, or other objects that may obscure and tip-over accidents, which can result in severe vision.

  • Page 6: Caster Assembly

    safety rules regarding outdoor power equipment (cont.) • Grass catcher components are subject to wear, service procedures result hazardous damage, and deterioration, which could expose operation, equipment damage and voiding of moving parts or allow objects to be thrown. manufacturer’s warranty. Frequently check components and replace with manufacturer’s recommended...
  • Page 7 unit assembly (cont.) DISCHARGE DEFLECTOR ASSEMBLY • Attach discharge deflector (1:6) using two 5/16" x ¾" bolts and lock nuts (1:7-8). CAUTION: Do not over tighten lock nuts. TRANSMISSION SHIFT LEVER ASSEMBLY • Install Shift indicator panel (2:50) onto rear of engine deck (2:1) with two 5/16 x 3/4”...

  • Page 8: Fuel Tank Assembly

    unit assembly (cont.) TRANSMISSION SHIFT LEVER ASSEMBLY (cont.) • Position ‘double-D’ hole in bottom leg of shift lever onto transmission stud, then slowly move handle of shifter back and forth until hole drops onto matching base of stud. • Replace washer and nut onto transmission stud.
  • Page 9 unit assembly (cont.) BLADE ENGAGEMENT LEVER ASSEMBLY (125KAW & 13BS only) • Remove bridge pin and washer (4b:14-15) holding adjustment rod to engagement lever (4b:1) and remove upper adjustment rod assembly (4b:13,16-20). • Remove 3/8” bolt and lock nut (4b:4-5) from engagement lever bracket (4b:3 –...

  • Page 10: Handle Assembly Installation

    unit assembly (cont.) HANDLE ASSEMBLY INSTALLATION • Install handle assembly (5:1) to upper portion of engine deck using four 1/2" x 1-1/4" hex bolts, lock washers and nuts (5:3,5-6), with two flat washers (5:4) at slotted holes. Adjust for comfortable operation, then tighten securely. •...

  • Page 11: Battery Installation

    unit assembly (cont.) BATTERY INSTALLATION (13BS-E only) *Important Note: Battery must be filled with acid before installation, as batteries are shipped without acid for safety purposes. Battery acid can be obtained from any auto parts store. Do not overfill. • Remove hardware securing battery box cover (6:3) to battery box, and remove cover.

  • Page 12: Starting The Engine

    unit operation STARTING THE ENGINE IMPORTANT NOTE: The procedures outlined within this section are general guidelines, and are in no way meant to replace or supercede engine manufacturer’s operating instructions. In order to obtain optimum performance from your engine, refer to your engine manual. BEFORE STARTING ENGINE: •...
  • Page 13 unit operation (cont.) STARTING THE ENGINE (cont.) • Grasp recoil handle and pull briskly. You may have to pull several times before engine starts. (If engine fails to start within a reasonable amount of time, discontinue and check engine manual for further instructions.) Note: Do not allow recoil rope to snap back into recoil;...

  • Page 14: Mower Operation

    unit operation (cont.) MOWER OPERATION GENERAL RULES TO OBSERVE BEFORE AND DURING OPERATION: • Inspect your unit before each and every use. Check for worn, bent or broken components, loose fasteners, low or flat tires, etc., and repair or replace prior to operation. DO NOT OPERATE A DEFECTIVE UNIT – SERIOUS INJURY OR DEATH CAN RESULT.

  • Page 15: Engaging The Transmission

    unit operation (cont.) 13BS-E – • To engage the cutting blades, simply flip the blade engage switch (5:31), located on the left ENGAGE side of the handle dash, up to the ‘engage’ position. To disengage, simply flip the switch down into the ‘disengage’ position. Always be sure cutting blades are disengaged before stopping the mower.

  • Page 16: Steering The Unit

    unit operation (cont.) ENGAGING THE TRANSMISSION (cont): • To engage transmission in reverse, slide shifter lever into neutral (‘N’), lock both left and right brake thumb locks, lift up on reverse lockout bar (4a:23, 4b:7) and slide shifter lever into reverse (‘R’);...
  • Page 17 maintenance GENERAL: • Follow implicitly the engine manufacturer’s recommendations for maintenance. • Always keep your machine clean - especially the engine deck. Check all adjustments periodically. Also, periodically check that all fasteners are secure. Remember, sharp blades cut better. Always have an extra set on hand.

  • Page 18: Troubleshooting

    maintenance (cont.) TROUBLESHOOTING: • UNIT WILL NOT START: Check to make sure cutting blades are disengaged. Check to make sure transmission is in neutral. Check fuel and oil levels. Check to make sure throttle control engages engine choke when set to ‘start’ position; adjust if needed. Check all electrical connections for positive contact; repair or replace as necessary.
  • Page 19 maintenance (cont.) • THROTTLE CABLE ADJUSTMENT: Correct cable adjustment engages choke mechanism on engine when throttle control on handle dash is set all the way to right (‘Start’). To adjust, CHOKED 1/8 – 1/4” loosen cable clip screw on engine, then slide cable out approximately 1/8-1/4”.
  • Page 20 maintenance (cont.) • BRAKE ADJUSTMENT: LOWER ROD - The brake assembly has been set at the factory. However, they periodically need adjustment. As a rule of thumb, the bottom bend of the lower brake rod (3:14) should be 3/8” lower than the center of the pivot boss hole in the brake arm (3:5).

  • Page 21: Replacement Parts

    DRIVE PULLEY ALIGNMENT: Check to see that drive pulleys are in line with side idler pulley and wheel drive pulley; adjust as needed by loosening set screw in pulley and realigning pulley. Retighten set screws to 150 in. lbs. REPLACEMENT PARTS: • Replacement parts are available through your Giant-Vac dealer. GVTP GM32-R0103.1...
  • Page 22 See Engine & Trans Group GIANT-VAC, INC. To Blade Pulley - See Engine & Trans Group PARTS LIST #5805 'GIANT MOW' 32" Cut Models BLADE DECK GROUP SHEET 1 OF 7 R0103.1 See Blade Engagement Group GVTP GM32-R0103.1...
  • Page 23 Parts List #5805 Giant Mow 32” R0103.1 SHEET 1 - BLADE DECK GROUP REF # PART # DESCRIPTION 10244 Blade deck – 125KAW & 13BS 10260 Blade deck – 13BS-E 79166 Decal – ‘Operating Rules 1-8’ 31895 Rubber hood strap (w/attaching hardware) 31100 3/16 pop rivet (attaches strap receiving cup to hood) 31033...
  • Page 24 5/16-18 nut 27415 Deck hood 31917 Mower hood edge trim – 27” length 79169 Decal – ‘Giant-Vac’ – 17” 79090 Decal – ‘Danger – Keep Hands & Feet Away’ 79088 Decal – ‘Danger – Flying Material’ 31900 2” rubber hood cap...
  • Page 25 32 31 To Drive Wheel - See Side Idler & Axle Group To Ref #11 this sheet GIANT-VAC, INC. PARTS LIST #5805 13BS-E only 'GIANT MOW' To Blade Pulleys - 32" Cut Models See Blade Deck Group ENGINE & TRANS GROUP SHEET 2 OF 7 R0103.1...
  • Page 26 Parts List #5805 Giant Mow 32” SHEET 2 - ENGINE & TRANS GROUP R0103.1 REF # PART # DESCRIPTION (no model designation denotes common) 10243 Engine deck – 125KAW & 13BS 10245 Engine deck – 13BS-E 39104 Engine - 13.5hp Briggs & Stratton Intek 39040 Engine –...
  • Page 27 Parts List #5805 Giant Mow 32” SHEET 2 - ENGINE & TRANS GROUP (cont.) R0103.1 REF # PART # DESCRIPTION 31309 1/4” spacer 36321 Trans axle - right 31107 #9 woodruff key 36153 5/8" bearing unit 31635 1/4-20 x 5/8" hex bolt – qty for 125KAW & 13BS only 31635 1/4-20 x 5/8"...
  • Page 28 See Engine & Trans Group See Handle Group 40 41 thru GIANT-VAC, INC. PARTS LIST #5805 'GIANT MOW' 32" Cut Models SIDE IDLER & AXLE GROUP SHEET 3 OF 7 R0103.1 GVTP GM32-R0103.1...
  • Page 29 Parts List #5805 Giant Mow 32” R0103.1 SHEET 3 - SIDE IDLER & AXLE GROUP REF # PART # DESCRIPTION 33231 Axle assembly 27407 Brake pivot plate - left 27408 Brake pivot plate - right 31033 3/8-16 x 1 hex bolt 31008 3/8"...
  • Page 30 Parts List #5805 Giant Mow 32” R0103.1 SHEET 3 - SIDE IDLER & AXLE GROUP (cont.) REF # PART # DESCRIPTION 31008 3/8" lock washer 31009 3/8-16 hex nut 31088 5/16-18 x 3" hex bolt 31004 5/16-18 nut 31003 5/16 lock washer 31004 5/16-18 nut 31383...
  • Page 31 GIANT-VAC, INC. PARTS LIST #5805 'GIANT MOW' 32" Cut Models See Engine & Trans Group BLADE ENGAGEMENT GROUP SHEET 4 OF 7 R0103.1 See Engine & Trans Group thru A 20 19 See Blade Deck Group SHEET 4b 125KAW & 13BS...
  • Page 32 Parts List #5805 Giant Mow 32” R0103.1 SHEET 4 - BLADE ENGAGEMENT GROUP REF # PART # DESCRIPTION SHEET 4a – 13BS-E 31357 3/8-16 x 2-1/2” hex bolt 36313 Deck idler arm pivot boss 31224 3/4" sleeve bushing 23241 Deck idler arm 31043 1/2"...
  • Page 33 Parts List #5805 Giant Mow 32” R0103.1 SHEET 4 - BLADE ENGAGEMENT GROUP (cont.) REF # PART # DESCRIPTION SHEET 4b – 125KAW & 13BS (cont.) 31003 5/16 lock washer 31004 5/16-18 nut 31383 Rod fitting end – 5/16-18 tap 31034 3/8"...
  • Page 34 13BS-E only GIANT-VAC, INC. See Side Idler & Axle Group PARTS LIST #5805 'GIANT MOW' See Engine & Trans Group 32" Cut Models HANDLE GROUP SHEET 5 OF 7 R0103.1 GVTP GM32-R0103.1...
  • Page 35 Parts List #5805 Giant Mow 32” R0103.1 SHEET 5 - HANDLE GROUP REF # PART # DESCRIPTION (no model designation denotes common) 23127 Handle assembly 79092 Eye/ear/breathing decal 79089 Off/run/start decal 79112 Mower engage decal 79184 ‘Read owner’s manual’ decal 31283 Handle grip - 1"dia x 4-1/2"...
  • Page 36 Parts List #5805 Giant Mow 32” R0103.1 SHEET 5 - HANDLE GROUP REF # PART # DESCRIPTION 31806 5/8” star washer 39108 Key set (set of 2) 37119 Blade engage switch – 13BS-E only GVTP GM32-R0103.1...

  • Page 37: Electrical Group

    Wiring Scheme Battery ground bolt - See Engine & Trans Group Connects to Engine Starter See Engine & Trans Group GIANT-VAC, INC. PARTS LIST #5805 'GIANT MOW' Blade Clutch - See Engine & Trans Group 32" Cut Models 13.5hp B&S Intek Electric Start Engine - See Engine &...
  • Page 38 Parts List #5805 Giant Mow 32” SHEET 6 - ELECTRICAL GROUP R0103.1 (13BS-E only shown – see bottom of this sheet for 125KAW & 13BS) REF # PART # DESCRIPTION 39058 Battery (12N14-3A) 31681 Rubber battery cover – 1/8” x 3” x 5” 40151 Battery box cover 31444...
  • Page 39 5-terminal female housing - Safety Switch 1/4" male - Safety Switch ground 1/4" ring terminal - bolts under handle dash GIANT-VAC, INC. 1/4" ring terminal - to battery positive stud of Solenoid 90 deg 1/4" female - PARTS LIST #5805...
  • Page 40 This warranty does not include equipment failures due to normal wear. Any obligation under this warranty is expressly limited to the replacement or repair, at an authorized servicing Giant-Vac dealer, or at a point designated by us, of such parts as appear to us to have been defective.

This manual is also suitable for:

M3213bs-eM3213bs

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