Exmark Lazer HP Models User manual

ULTRA VAC®QDS
LAZER Z®HP MODELS
For Serial Nos.
790,000 & Higher
Part No. 4500-421 Rev. B

1

2
READ OPERATOR’S MANUAL BEFORE
OPERATING OR SERVICING EXMARK EQUIPMENT
TABLE OF CONTENTS
Description Page
Blower Assembly 44” and 48” ......................................3-6
Blower Assembly 46”, 50”, 52” and 56” ......................7-10
Decals ...........................................................................16
Deck Components and Front Weights ...........................15
Hood and Screen Assembly ..........................................13
Lower Hopper Assembly...........................................11-12
Hopper Assembly ..........................................................14

BLOWER ASSEMBLY 44” and 48”
3
Item Part No. Description Qty.
16103-2874-03 Wld, Blower Mount.................................1
2 103-3815 Wld, Impeller .........................................1
31-653346 Bearing, SPH. OD..................................2
4 1-513013 Housing, Flange.....................................4
5103-1047 Sheave, Blower......................................1
6 103-3589 Wld, Upper Housing
(1-652345-03) With Decals ....................1
7 1-653331 Spring, Idler ...........................................1
8 3290-357 Nut, Whizlock 3/8-16..............................5
9 323-7 Screw, HH 3/8-16 x 1 1/4.......................1
10 1-653600 Bearing..................................................2
11 323-12 Screw, HH 3/8-16 x 2 1/2.......................2
12 3256-4 Washer, 3/8 Std.....................................1
13 323-8 Screw, HH 3/8-16 x 1 1/2.......................1
14 1-353054 Latch, Grass Catcher.............................1
15 3296-39 Nut, Nyloc 3/8-16...................................1
16 1-653322 Pulley, Idler............................................1
17 103-0130 Bushing, Idler Pivot................................1
18 103-1103 Pulley, Idler............................................1
19 103-2876 Asm , Idler W/Bushings
Zerk, & Decal.........................................1
20 3230-18 Bolt, Carriage 5/16-18 x 5/8 ...................6
21 1-513208 Washer, Spring Disk ..............................1
Item Part No. Description Qty.
22 3219-6 Nut, Hex 5/8-18......................................1
23 3220-5 Nut, Jam 1/2-20.....................................1
24 1-513435 Washer, Spring Disk..............................1
25 1-653365 Spacer...................................................1
26 1-653366 Hub........................................................1
27 32128-20 Nut, Whizlock 5/16-18............................6
28 3217-6 Nut, Hex 5/16-18....................................1
29 321-3 Screw, HH 1/4-20 x 5/8..........................4
30 32128-33 Nut, Whizlock 1/4-20..............................4
31 1-303334 Washer, Spring Disk 5/16......................1
32 3256-24 Washer, 3/8 SAE...................................1
33 103-0126 Bushing, Locator....................................1
34 3257-32 Key, Woodruff #61 5/8 x 3/16.................1
35 103-3585 Cover, Bearing (103-3586-03)
With Decal.............................................1
36 3296-47 Nut, Nyloc 5/16-18.................................2
37 3256-3 Washer, 5/16 Std...................................2
38 3274-18 Screw, Socket HD 5/16-18 x 1 1/4.........1
39 302-19 Zerk, 1/8-28 Straight..............................1
40 1-806323 Roll pin ..................................................1
41 1-353050 Pin, Grass Catcher ................................1
42 3274-107 Screw, Socket But HD 3/8-16 x 1 3/4.....1
Exmark black touch up spray paint – gloss black.
Kit 103-0583 is available to repair the welded-on accessory mounting tube on all 44”-72” decks.
Apply Mobil HTS grease (P/N 103-5217 1.5 oz packet) (or a food-grade antisieze) on bore of sheave and bearings.
6Includes items 40 and 41.

BLOWER ASSEMBLY 44” and 48”
4

BLOWER ASSEMBLY 44” and 48” (cont.)
5
Item Part No. Description Qty.
1 3290-357 Nut, Whizlock 3/8-16..............................3
2 323-11 Screw, HH 3/8-16 x 2 1/4.......................3
3 3256-4 Washer, 3/8 Std.....................................3
4 103-4764 Chute, Blower ........................................1
5 1-653352-01 Bumper..................................................1
6 3290-500 Screw, PPH #10-24 x 5/8.......................4
7 321-3 Screw, HH 1/4-20 x 5/8..........................4
8 32128-33 Nut, Whizlock 1/4-20..............................11
9 3229-11 Bolt, Carriage 1/4-20 x 5/8 .....................3
10 1-803075 Screw, CRTH #10-24 x 3/4 ....................3
11 3290-148 Nut, Whizlock #10-24.............................3
12 1-803076 Screw, CRTH 1/4-20 x 3/4 .....................2
13 1-653596-03 Plate, Blower Backing............................1
Item Part No. Description Qty.
14 3256-14 Washer, #10 Std....................................4
15 1-653429 Asm, Latch.............................................2
16 103-0401 Asm, Blower (44 & 48) (Includes All
Items From Pg 3 & Items 1-15 & Decals) ...1
17 3229-1 Bolt, Carriage 1/4-20 x 3/4.....................2
18 3290-500 Screw, PPH #10-24 x 5/8.......................2
19 3296-2 Nut, Nyloc #10-24.................................3
20 3256-14 Washer, #10 Std....................................5
21 109-2040 Tube, Lower...........................................1
22 109-2034 Tube, Upper...........................................1
23 32105-13 Screw, Slotted HH #10-24 x 3/4.............3
24 103-4752-03 Plate, Reinforcement .............................1
25 114439 Rivet......................................................3
Exmark red touch up paint (spray paint - P/N 1-850337 - .6 oz liquid bottle - P/N 103-9140).
Exmark black touch up spray paint – gloss black.
Kit 103-0583 is available to repair the welded-on accessory mounting tube on all 44”-72” decks.

BLOWER ASSEMBLY 44” and 48” (cont.)
6

BLOWER ASSEMBLY 46”, 50”, 52” and 56”
7
Item Part No. Description Qty.
16109-1119-03 Wld, Blower Mount.................................1
2 103-3815 Wld, Impeller .........................................1
31-653346 Bearing, SPH. OD..................................2
4 1-513013 Housing, Flange.....................................4
5103-1047 Sheave, Blower......................................1
6 103-3589 Wld, Upper Housing
(1-652345-03) With Decals ....................1
7 1-653331 Spring, Idler ...........................................1
8 3290-357 Nut, Whizlock 3/8-16..............................5
9 3274-107 Screw, Socket But HD 3/8-16 x 1 3/4.....1
10 1-653600 Bearing..................................................2
11 323-12 Screw, HH 3/8-16 x 2 1/2.......................2
12 3256-4 Washer, 3/8 Std.....................................1
13 323-8 Screw, HH 3/8-16 x 1 1/2.......................2
14 1-353054 Latch, Grass Catcher.............................2
15 3296-39 Nut, Nyloc 3/8-16...................................1
16 1-653322 Pulley, Idler............................................1
17 103-0130 Bushing, Idler Pivot................................1
18 103-1103 Pulley, Idler............................................1
19 103-2876 Asm , Idler W/Bushings
Zerk, & Decal.........................................1
20 3230-18 Bolt, Carriage 5/16-18 x 5/8 ...................6
Item Part No. Description Qty.
21 1-513208 Washer, Spring Disk..............................1
22 3219-6 Nut, Hex 5/8-18......................................1
23 3220-5 Nut, Jam 1/2-20.....................................1
24 1-513435 Washer, Spring Disk..............................1
25 1-653365 Spacer...................................................1
26 1-653366 Hub........................................................1
27 32128-20 Nut, Whizlock 5/16-18............................6
28 3217-6 Nut, Hex 5/16-18....................................1
29 321-3 Screw, HH 1/4-20 x 5/8..........................4
30 32128-33 Nut, Whizlock 1/4-20..............................4
31 1-303334 Washer, Spring Disk 5/16......................1
32 3256-24 Washer, 3/8 SAE...................................1
33 103-0126 Bushing, Locator....................................1
34 3257-32 Key, Woodruff #61 5/8 x 3/16.................1
35 103-3585 Cover, Bearing (103-3586-03)
With Decal.............................................1
36 3296-47 Nut, Nyloc 5/16-18.................................2
37 3256-3 Washer, 5/16 Std...................................2
38 3274-18 Screw, Socket HD 5/16-18 x 1 1/4.........1
39 302-19 Zerk, 1/8-28 Straight..............................1
40 1-806323 Roll pin ..................................................1
41 1-353050 Pin, Grass Catcher ................................1
Exmark black touch up spray paint – gloss black.
Kit 103-0583 is available to repair the welded-on accessory mounting tube on all 44”-72” decks.
Apply Mobil HTS grease (P/N 103-5217 1.5 oz packet) (or a food-grade antisieze) on bore of sheave and bearings.
6Includes items 40 and 41.

BLOWER ASSEMBLY 46”, 50”, 52” and 56”
8

BLOWER ASSEMBLY 46”, 50”, 52” and 56” (cont.)
9
Item Part No. Description Qty.
1 3290-357 Nut, Whizlock 3/8-16..............................3
2 323-11 Screw, HH 3/8-16 x 2 1/4.......................2
3 3256-4 Washer, 3/8 Std.....................................3
4 109-1985 Chute, Blower (46, 50 & 56)...................1
103-4764 Chute, Blower (52).................................1
5 109-1122-01 Bumper..................................................1
6 3290-500 Screw, PPH #10-24 x 5/8.......................4
7 321-3 Screw, HH 1/4-20 x 5/8..........................4
8 32128-33 Nut, Whizlock 1/4-20..............................11
9 3229-11 Bolt, Carriage 1/4-20 x 5/8 .....................3
10 1-803075 Screw, CRTH #10-24 x 3/4 (46,50&56)..3
1-803075 Screw, CRTH #10-24 x 3/4 (52).............5
11 3290-148 Nut, Whizlock #10-24 (46, 50 & 56)........3
3290-148 Nut, Whizlock #10-24 (52)......................5
12 1-803076 Screw, CRTH 1/4-20 x 3/4 .....................2
13 1-653596-03 Plate, Blower Backing............................1
14 1-653443-03 Plate, Filler (52)......................................1
Item Part No. Description Qty.
15 3256-14 Washer, #10 Std....................................4
16 1-653429 Asm, Latch.............................................2
17 109-1024 Asm, Blower (46, 50 & 56) (Includes All
Items From Pg 7 & Items 1-16 & Decals) ...1
103-0400 Asm, Blower (52) (Includes All
Items From Pg 7 & Items 1-16 & Decals) ...1
18 3290-500 Screw, PPH #10-24 x 5/8.......................2
19 3296-2 Nut, Nyloc #10-24.................................3
20 3256-14 Washer, #10 Std....................................5
21 109-2041 Tube, Lower (46 & 50)...........................1
109-2040 Tube, Lower (52 & 56)...........................1
22 109-2035 Tube, Upper...........................................1
23 32105-13 Screw, Slotted HH #10-24 x 3/4.............3
24 3229-1 Bolt, Carriage 1/4-20 x 3/4.....................2
25 323-7 Screw, HH 3/8-16 x 1 1/4.......................1
26 103-4752-03 Plate, Reinforcement .............................1
27 114439 Rivet......................................................3
Exmark red touch up paint (spray paint - P/N 1-850337 - .6 oz liquid bottle - P/N 103-9140).
Exmark black touch up spray paint – gloss black.
Kit 103-0583 is available to repair the welded-on accessory mounting tube on all 44”-72” decks.

BLOWER ASSEMBLY 46, 50, 52 and 56 (cont.)
10

LOWER HOPPER ASSEMBLY
11
Item Part No. Description Qty.
1 109-0329-03 Wld, QDS Frame....................................1
2 103-6294 Pin, Hinge Pivot .....................................2
3 103-6295 Bearing..................................................2
4 103-4820-03 Plate, Hinge...........................................2
5 103-4412-03 Plate, Rear.............................................1
6 103-4832 Seal, Door..............................................1
7 103-4834-03 Strap, Hold Down...................................1
8 103-4402 Bearing..................................................2
9 103-5114-03 Wld, Bellcrank........................................1
10 103-4433 Collar, Shaft...........................................1
11 103-3202 Cap, Tube..............................................2
12 103-8835-03 Wld, Link RH..........................................1
13 103-5111 Wld, Link RH..........................................1
14 103-5112 Wld, Link LH ..........................................1
15 94-8196 Washer, Nylon.......................................6
16 32151-61 Ring, Retaining ......................................6
17 103-4848 Trunnion, Link........................................2
18 103-4424 Arm, Door Linkage.................................2
19 103-4431 Washer..................................................2
20 103-4415 Bearing, Linkage Pivot ...........................2
Item Part No. Description Qty.
21 103-4408-03 Stop, Linkage.........................................2
22 103-7828 Panel, Bagger LH ..................................1
23 103-7829 Panel, Bagger RH..................................1
24 103-5102 Panel, Bagger........................................1
25 107069 Nut, Retainer 1/4-20...............................6
26 3231-4 Bolt Carriage 3/8-16 x 1 1/2...................2
27 3256-4 Washer, 3/8 Std.....................................2
28 3296-59 Nut, Nyloc 3/8-16 Thin...........................2
29 322-5 Screw, HH 5/16-18 x 1...........................4
30 3256-23 Washer, 5/16 SAE.................................22
31 3296-29 Nut, Nyloc 5/16-18.................................12
32 321-4 Screw, HH 1/4-20 x 3/4..........................10
33 3256-22 Washer, 1/4 SAE...................................4
34 32128-33 Nut, Whizlock 1/4-20..............................10
35 3230-5 Bolt, Carriage 5/16-18 x 1 3/4................4
36 3274-1 Screw, SH 3/8-16 x 1 1/4.......................1
37 323-7 Screw, HH 3/8-16 x 1 1/4.......................2
38 3296-39 Nut, Nyloc 3/8-16...................................2
39 3230-2 Bolt, Carriage 5/16-18 x 1......................4
40 114439 Riviet .....................................................14

LOWER HOPPER ASSEMBLY
12

HOOD and SCREEN ASSEMBLY
13
Item Part No. Description Qty.
1X103-6232 Asm, Hood.............................................1
2 114967 Screen...................................................1
3 103-5101-03 Support, Screen.....................................1
4 114439 Rivet, Pop 3/16 x 1/2..............................18
5 3256-61 Washer..................................................14
6 1-653561 Seal, Chute............................................1
7 1-653598-03 Clamp, Seal...........................................1
Item Part No. Description Qty.
8 3296-2 Nut, Nyloc #10-24..................................4
9 3250-27 Screw, PPH #10-24 x 7/8.......................4
10 103-4406-03 Wld, Door Frame ...................................1
11 103-4828 Screen, Door .........................................1
12 321-4 Screw, HH 1/4-20 x 3/4..........................20
13 3256-2 Washer, 1/4 SAE...................................20
14 32128-33 Nut, Whizlock 1/4-20..............................20
XIncludes items 2,3,4 and 5 riveted together and Decal.

HOPPER ASSEMBLY
14
Item Part No. Description Qty.
1 103-4822 Link, Door ..............................................2
2 103-4835 Anchor, Spring.......................................2
3 103-4813 Spring....................................................2
4 103-4819-03 Guard, RH..............................................1
5 103-4437-03 Guard, LH..............................................1
6 103-6271 Asm, Handle W/Grip ..............................1
7 103-7115 Grip........................................................1
8 321-4 Screw, HH 1/4-20 x 3/4..........................13
9 3256-22 Washer, 1/4 SAE ...................................10
10 32128-33 Nut, Whizlock 1/4-20..............................7
11 3230-22 Bolt, Carriage 5/16-18 x 1 ......................4
12 3256-23 Washer, 5/16 SAE..................................5
13 3296-29 Nut, Nyloc 5/16-18.................................5
Item Part No. Description Qty.
14 3256-26 Washer, 1/2 SAE...................................2
15 1-806003 Hairpin, Cotter .......................................2
16 3219-5 Nut, Hex 1/2-20......................................4
17 322-9 Screw, HH 5/16-18 x 1 3/4 (52)..............4
18 322-12 Screw, HH 5/16-18 x 2 1/2.....................1
19 3230-3 Bolt, Carriage 5/16-18 x 1 1/4................1
20 1-323385 Knob, 3 Prong........................................1
21 103-4807-03 Wld, Bagger Mount................................1
22 322-5 Screw, HH 5/16-18 x 1...........................8
23 32128-20 Nut, Whizlock 5/16-18............................8
24 1-808289 Pin, Clevis 1/2 x 2..................................2
25 1-806005 Hairpin, Cotter .......................................2
26 1-653532-03 Spacer, Counterweight (52 & 56)...........1

DECK COMPONENTS AND FRONT WEIGHTS
15
Deck Components: Quantity Included in Each Kit
44” 48” 52” 46” 50” 56”
. No. Part No. Description 103-1315 103-1314 109-1185 109-1013 109-1014 109-1015
1 1-653363 Pin, Chute Pivot 1 1 1
103-0453 Pin, Chute Pivot 1 1 1
2 1-806003 Pin, Hair 1 1 1 1 1 1
3 1-323385 Knob, Belt Shield 2 2 2 1 1 1
4 1-653439 Sheave, Blower Drive (52) 1
1-653362 Sheave, Blower Drive (48) 1
1-653309 Sheave, Blower Drive (44) 1
109-1016 Sheave, Blower Drive (46) 1
109-1017 Sheave, Blower Drive (50) 1
109-1018 Sheave, Blower Drive (56) 1
5 3256-27 Washer, 5/8 SAE 1 1 1
6 1-653438 Belt, Blower (46 & 52) 1 1
1-653333 Belt, Blower (48) 1
1-653332 Belt, Blower (44) 1
103-0866 Belt, Blower (50) 1
109-9249 Belt, Blower (56) 1
7 103-1316 Cover, Belt (44 & 48) 1 1
103-1318 Cover, Belt (52) 1
109-1019 Cover, Belt (46) 1
109-1020 Cover, Belt (50) 1
109-1021 Cover, Belt (56) 1
8 322-2 Screw, HH 5/16-18 x 5/8 1 1 1 1 1 1
9 103-1279 Plug 1 1 1 1 1 1
10 109-1022-03 Strap, Weight mount 1 1 1
11 3230-2 Bolt, Carriage 5/16-18 x 1 2 2 2
Front Weight Components: (Used on all units)
12 103-6363 Asm, Weight (103-6364-01) W/Decals 2
13 103-6368-01 Plate, Weight Mounting 1
14 322-5 Screw, HH 5/16-18 x 1 4
6322-7 Screw, HH 5/16-18 x 1 1/2 4
15 9335124 Hairpin, Cotter 4
652” units with standard weight plate bolted to the front of the floor pan only.

DECALS
16
Item
Part No. Description Qty.
1 103-3302 Decal, Ultra Vac QDS ............................1
2 103-3508 Decal, Warning......................................1
3 1-653546 Decal, Exmark .......................................1
4 98-5954 Decal, Missing Cover.............................1
Item
Part No. Description Qty.
5 103-6605 Decal, Weight........................................2
6 1-653558 Decal, Hot Sheave.................................1
7 103-6604 Decal, Weight Blower.............................1

17
NOTES

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SERVICE RECORD
Date Description of Work Done Service Done By

©
2009 Exmark Mfg. Co., Inc. Part No. 4500-421 Rev. B
Industrial Park Box 808 [phone]
Beatrice, NE 68310 Fax [phone]
All Rights Reserved Printed In USA