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OPERATOR’S
MANUAL
42”/48” Turbo Blower Assembly
Mfg. No: 1691810
Mfg. No. 1691998
FORM 170460604
PRINTED IN U.S.A.
12/93-3ooccI
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STANDARD FASTENER IDENTIFICATION CHART HEX CAPSCREW Hardware sizes are given in the illustrations throughout this manual. If a washer or nut is identified as “washer. l/2” or “nut. 172”. this means the inside diameter is l/2 inch. If a screw is identified as ‘Wrew. l/2 x 2”. this means the shaft diameter is l/2 inch and the shaft of the screw is 2 inches p. long. If a~ screw is identified as a “screw. l/2-16~2”.thenumber “16” means that the screw has PLAIN WASHER LOCKWASHER NUT 16 threads per in
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Table of Contents ...... Safety Decal ................................ ....... ...... ...... . . . . 1 Safety Rules ................................ ....... ...... ...... ...... . . . . 2 Installation Lawn Tractor ........................... ....... ...... ...... ...... ...... . . . . 3 ...... ...... . . . . Front-Cut Rider ......................... ....... ...... ...... 8 Operation .................................. ....... ...... ...... ...... ...... . . . . 13 ...... ...... ...... . . . . 15
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Safety Rules Read these safety rulesand the safety rules in yo,ur Operator’s Manual and follow them closely. Failure to obey these rules could result in loss of control of vehicle, severe personal injury A to yourself, or damage to property or equipment. The triangle in the text signifies important cautions or warnings which must be followed. WARNING A When blower assembly is removed from mower deck, the deflector must be installed as described in Operating Without Collection System. 9. AWARNING
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installation - Lawn ,Tractors NOTE Two spacers are packaged with turbo biower. Installation on tractor requires use of 4-l/16” spacer (see step 11); the 1/2”spacerwill not be used. 1. Remove mower deflector and arbor cover as follows: a. Remove the mower deflector by removing two carriage bolts, lockwashers and nuts. Install this hardware on the deflector for use when blower is removed for side discharge. b. Remove the right hand arbor cover (A, figure Figure 1. 1) by removing washers and nuts i
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NOTE G Mower Decks Front belt stop should be installed facing outside of deck. ‘6. Install thefront belt stop (A, figure4) onto5/16- 18 x l-1/2 capscrew (installed in step 3) as shown. If removed, reinstall brake spring or spring anchor (F) before flange nut(G). Tighten nut (E) snug only - belt stop will be adjusted in step 8. Figure 4. D. , n**.“rchn* E. Nut a Belt stop F. Spring or Spring Anchor B. Capscrew C. Large Washer G. Flange Locknut 7. Install new double-groove arbor pulley (D, figure
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10. The baffle (A, figure 7) is installed in the blower housing for use with 42” mower. For use with 48” mower, remove the baffleand install in holes marked 48”. I Figure 7. A Battle NOTE In On42”and 48” mowersthecapscrewinstalled in next step is used in the hole occupied by a screw held in place by a retaining nut. (This screw secured the right-front corner of the arbor cover.) Remove this screw(s) from mower deck by tapping out with a hammer or prying off the retaining nut. 11. Install the pul
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12. Install wing nut (D, figure 9) as follows: a. Remove existing hardware from front end of stone guard. b. From inside deck, install new 5/16-18 x 2-l/4 carriage bolt (F, figure 9). Then install the cup (A), 5/16 lockwasher (6). and 506 nut (C). Tighten the nut. c. Thread the wing nut (D) far enough onto the screw so that the 5/16 locknut (E) can be threaded on flush with the end of screw. Figu’ie 9. A. cup Q. Wing Nut q . Lockwasher, 5116 E. Lrxknut, 5116 F. Carriase Bolt C. Nut. 5116 13. Ins
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c. Place mower in low cut position. Raise the flap (A, figure 12) and push on the belt retainer (E) to obtain slack in the belt. Install the blower drive belt (D) in the top groove of the pulley(B). Figure 12 A. Flap 6. Pulley \ c. Ben D. Drive Belt E. Belt Retainer d. Rotate the pivoting cover (A, figure 13) into place and attach the hook (B) to the clip (C) on the housing. Figure 13. k pdley Cover 9. Hook C. Clip D. Wing Nut 7
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Installation - Front Cut Riders NOTES 1. Two spacers are packaged with the turbo blower. Installation on the Front-Cut Rider requires use of the l/2” spacer (see step 14). The 4-l/16” spacer will not be used. 2. The replacement right hand belt cover (seestep 15),along with thenew3/8-16x2-1M”capscrew for the right hand idler pulley (see step 4) is packaged with the collection system. INSTALLATION 1. Remove right hand mower belt cover by removing flat washer and flange nut (A) and front taptite sc
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6. Remove the capscrew, lockwasher, and flat washer securing right hand arbor pulley. Retain the washers for reinstallation (step 9). Use a wood block to prevent blade from turning. SunRunnerNanguard Models 6. On early models without bet stop (A, figure 3) remove two self-tapping screws from arbor and install two .5/l 6-18 x l-1/2” capscrews (A, figure 3). Parts will be installed on these capscrews in steps 7 and 8 as shown in figures 3 and 4. Figure 3. (Early Model) C. Rear Belt Stop A. capscre
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9. Slip the mower drive belt (A, figure 5) around the bottom groove of double-groove pulley (B). Install pulley with hub down and secure with new 7/l 6-14 x 2-l /4” capscrew (C) and washers (D and E) removed in step 5. Make sure splines arecorrectlyalignedand torquecapscrewto55- 60 ft. Ibs. Use a wood block to prevent the blade from turning. 10. Reinstall the mower drive belt by pulling on the spring-loaded idler pulley to provide slack in belt. With belt installed, adjust the belt stops l/18” f
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13. Install the new baffle (A, figure 8) in deck on stone guard using existing hardware. Hardware may be installed with nut to inside or nut to outside. H&k 8&fle 6 Over Stone Guard ‘igure 8. a Baffle s. Carriage Bolt C. Mower Discharge Opening 14. On new arbor cover, install on top of weld bolt (A, figure 9) the largest washer (B l-i/Z” O.D.), l/2’ spacer (C), lo&washer(D), and nut (Q as shown in figures. (Largeflatwasher(F) shownwillbeinstalled in next step). 15. On 2-l/2” idler cover bolt, in
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16. Make sure that flat washer (F, figure 9) is on top of spacer assembly and install new arbor belt cover (A, figure 10) as shown in figure 10. Secure with flat washer (l-1/4” O.D.) and locknut (8). Belt cover should be free to pivot. 17. Install the blower assembly as follows: a. Align th& notch on blower assembly with spacer on arbor bracket. Align spacer on blower assembly with notch on arbor bracket. Slide the assembly into place as shown in figure 10 while aligning front notch between cup
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Operation BEFORE OPERATION WARNING Clear the lawn of all sticks, stones, wire and other A debris which maybecaughtorthrown bythemower For safety reasons, grass and debris should blades. not be removed from any part of turbo or collection system until engine is shut off, key Clean the tube with mild detergent (other products removed, and all moving parts have stopped. may damage tube). The flow of grass can be seen through the tube while moving. I I Check grass condition. If wet, wait until later
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TORQUE SPECIFICATIONS FOR STANDARD MACHINE HARDWARE TOLERANCE +200/o SIZE SAE GRADE #2 SAE GRADE A15 SAE GRADE #8 0 Q 8. InJLbs. In./Lbs. InAbs. Nm. Ft.lLbs. Nm. Ft./Lb.s. Nm. Ft.Rbs. 8-32 19 2.1 30 3.4 41 4.6 8-36 20 2.3 31 3.5 43 4.9 lo-24 27 3.1 43 4.9 60 6.8 lo-32 31 3.5 49 5.5 68 7.7 -- l/4-20 66 7.6 8 10.9 12 16.3 l/4-28 76 8.6 10 13.6 14 19. 5116-18 11 15. 17 23.1 25 34. 5116-24 12 16.3 19 25.8 ,, 25 34. 318-16 ,20 27.2 30 40.8 45 61.2 318-24 '23 31.3 35 47.6 50 68. 7116-14 30 40.8 50 .68
