Exmark ULTRA VAC LAZER Z LHPUV4448 Setup Instructions Download Page 7

109-3195 Rev. C 

Page 7 of 9 

 

Install Weight Assembly 

For units with SN 440,000 to 599,999 (also 
required for units with SN 439,999 and lower 
with a 2 post ROPS installed): 

1.  Remove the hardware from the front of the floor 

pan. Discard the screws and retain the washer 
and whizlock nuts. 

2.  Assemble the weight mounting plate (Item 29) to 

the floor pan using (4) 5/16-18x1 Hex Head 
Screws (Item 30) and the (4) washers and (4) 
whizlock nuts removed in step 1. 

NOTE

: Some 52” units have a standard weight 

plate bolted to the front of the floorpan.  Use the 
(4) 5/16-18 x 1.50” Hex Head Screws (Item 30) for 
this application and the (4) washers and (4) 
whizlock nuts removed in step 1. 

3.  Hook the weight plate assembly (Item 28) over 

the top of the weight mounting plates and secure 
with two hairpins (Item 34). 

 

 

 

 

 

 

 

 

FIGURE 7 

For units with SN 600,000 and Higher: 

1.  Slide mounting strap (Item 33) behind front panel 

of floor pan, above the reinforcing bars that are 
welded to the front frame.  Attach the weight 
mounting plate using (2) 5/16-18 x 1.50 hex head 
screws (Item 30) (2) washers and (2) Whizlock 
Nuts (Items 35 and 36) (See Figure 8). 

2.  Use the upper mounting holes of the weight 

mounting plate to mark the location to drill the 
mounting holes in the front panel of the floor pan.  
Remove the weight mounting plate and drill 3/8” 
upper mounting holes in the front panel of the 
floorpan. 

3.  Permanently mount the weight mounting plate to 

the front panel of the floor pan using (4) 5/16-18 x 
1.50 hex head screws, (4) washers, (4) whizlock 
nuts and the mounting strap (Items 30, 33, 35, 36) 

4.  Hook the weight plate assembly (Item 28) over 

the top of the weight mounting plates and secure 
with two hairpins (Item 34). 

 

 

 

 

 

 

 

 

 

 

 

 

FIGURE 8 

Install Hood Assembly and Bags  

44, 46, 48 and 50 inch units  

1.  Remove the (12) bolts that retain the “HOT” 

engine guard shield (Item 1).  Discard (8) of 
the bolts and retain (4). Keep all (12) nuts for 
reuse in Step 3. 

2.  Working from the front side of the bagger 

mount, slide the top end of the engine guard 
up and into the mount.  Pivot the lower end 
through the bagger mount and slide it down 
into place until the holes align with the holes in 
the bagger mount (See Figure 9). 

 

 

 

 

 

 

 

FIGURE 9 

3.  Install the Bagger Mount Weldment (Item 2) and 

engine guard shield using the (8) 5/16-18 x 1 
Screws provided (Item 3) and (8) whizlock nuts 
removed in step 1. 

4.  Align the side holes in the engine guard shield to 

holes in the frame on each side of the unit.  
Reattach the sides of the engine guard shield 
using the (4) bolts and remaining (4) whizlock 
nuts retained in step 1. Continue at step 1 of the 

All Units

 section. 

52 and 56 inch units  

1.  Remove and discard the (8) bolts that retain 

the rear weight (Item 12).  Keep the whizlock 
nuts for use in steps 2 and 3. 

2.  Install the Bagger Mount Weldment (Item 2) to 

the rear of the frame using (4) 5/16-18 x 1 
screws (Item 3) and (4) 5/16 – 18 whizlock 
nuts (Item 15).  Use only the bottom four holes 
on the Bagger Mount Weldment 

Summary of Contents for ULTRA VAC LAZER Z LHPUV4448

Page 1: ...4 103 5629 LHPUV4650 46 Deck Drive Kit Front Weight Kit All Serial Numbers 109 1013 103 5629 50 Deck Drive Kit Front Weight Kit All Serial Numbers 109 1014 103 5629 LHPUV5256 52 Deck Drive Kit Front Weight Kit All Serial Numbers 109 1185 103 5629 Front weight Kit 103 5629 is required on any unit with a 2 post ROPS installed 56 Deck Drive Kit Front Weight Kit All Serial Numbers 109 1015 103 5629 LA...

Page 2: ...ex Head Screw 4 1 Hood Assembly 5 2 Bag Assembly 6 1 Upper Tube 7 1 Lower Tube Assembly 8 3 10 24 X 75 Hex Head Screw 9 3 10 Flat Washer Key Qty Description 10 3 10 24 Nyloc Nut 11 1 Blower Assembly 12 Ref Rear Weight 52 and 56 units 13 Ref Spacer 52 only 14 8 5 16 18 X 1 75 Hex Head Screw 15 4 5 16 18 Whizlock Nut 16 2 Clevis Pin 17 2 Hair Pin FIGURE 1 ...

Page 3: ...1 Belt Blower 25 1 Cover Belt 26 1 5 16 18 X 62 Hex Head Screw 27 1 Plug Ultra Vac Weight Kit units with 2 post ROPS only Key Qty Description 28 1 Asm Weight 29 2 Plate Weight Mounting 30 4 5 16 18 x 1 Hex Head Screw 30 4 5 16 18 x 1 1 2 Hex Head Screw 31 1 Flat Washer 5 8 32 2 Carriage bolt 5 16 18 x 1 00 33 1 Strap 34 2 Pin Hair 35 4 5 16 Washer 36 4 5 16 18 Whizlock 46 50 and 56 Triton units Al...

Page 4: ...ve the discharge chute 2 Reinstall the discharge chute Item 20 using the chute pivot pin Item 18 and hairpin Item 19 provided as shown in Figure 3 FIGURE 3 Blower Drive Sheave Installation Units Below 510 000 Without Splined Blade Driver 1 Stop engine remove key and wait for all moving parts to stop 2 Remove the right side belt shield and the 5 16 x 3 1 4 bolt that secures the shield to the deck 3...

Page 5: ...ht side belt shield and the 5 16 x 3 1 4 bolt that secures the shield to the deck 3 Remove the blade from the right spindle 4 Insert special tool 109 2979 into splined end of spindle shaft 5 Remove the right sheave nut spring disk washer and drive sheave from the spindle shaft 6 Use special tool 109 2979 to hold spindle from rotating keep hardware for re use Do not use the blade bolt to prevent ro...

Page 6: ... the spindle shaft Do not remove the blade drive sheave Retain the nut for later use 6 Use special tool 109 2979 to hold spindle from rotating keep hardware for re use Do not use the blade bolt to prevent rotation 7 Install the Ultra Vac drive sheave onto the right spindle shaft Install the washer that is supplied with the Ultra Vac drive kit Item 31 and nut removed in step 1 Torque the sheave nut...

Page 7: ...pan 3 Permanently mount the weight mounting plate to the front panel of the floor pan using 4 5 16 18 x 1 50 hex head screws 4 washers 4 whizlock nuts and the mounting strap Items 30 33 35 36 4 Hook the weight plate assembly Item 28 over the top of the weight mounting plates and secure with two hairpins Item 34 FIGURE 8 Install Hood Assembly and Bags 44 46 48 and 50 inch units 1 Remove the 12 bolt...

Page 8: ...hopper seal Item 4 push in then pull out so that seal is extended outward 3 Align dimple on upper tube Item 6 with end of hopper seal and position vertically between the two screws Item 4 as shown in Figure 10 FIGURE 10 4 Set deck in lowest cutting position 5 Slide lower tube Item 7 onto blower Item 11 and latch make sure that upper tube does not move out of alignment 6 Drill 7 32 holes in lower t...

Page 9: ...ower end to the blower For units above SN 600 000 Triton deck 8 Adjust dog leg baffle to match Ultra Vac blower intake opening Adjusting too wide may allow objects to be thrown from under the mower deck at high speed Adjusting too narrow may cause plugging issues WARNING POTENTIAL HAZARD If the blower intake opening is not correct it will allow objects to be thrown in operator s or bystander s dir...

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