Ventrac LX420 User manual

OWNER/OPERATOR’S
MANUAL & PARTS LIST
Revised 01/08/20
09.10039
SNOW BLOWER
Model LX420

ii
TO THE OWNER
Product Identification
If you need to contact an Authorized Ventrac Dealer for information on servicing your product,
always provide the Product Model and Serial numbers.
Please fill in the following information for future reference. See picture below to find the loca-
tion of the identification number. Record them in the spaces provided below.
Date of Purchase: Month _________________ Day ___________ Year ___________________
Dealer: _______________________________________________________________________
Dealer Address: ________________________________________________________________
________________________________________________________________
Dealer Phone Number: __________________________________________________________
Dealer FAX Number: ____________________________________________________________
Venture Products Inc. reserves the right to make changes
in design or specifications without obligation to make like
changes on previously manufactured products.
Orrville, OH
www.ventrac.com
Model # (A): _______________________
Serial # (B): ________________________
Affix Part/Serial Number label here

INTRODUCTION SECTION A
Description & Specifications ..................................A-1
SAFETY SECTION B
Safety Symbols ........................................B-1
Decals .............................................B-2
General Safety Procedures ..................................B-3
Safety Operation & Techniques ................................B-4
OPERATION SECTION C
Attaching ...........................................C-1
Detaching ...........................................C-2
Operating Techniques & Tips .................................C-2
MAINTENANCE/ADJUSTMENTS SECTION D
Bearing Lubrication ......................................D-1
Gearbox Lubrication ......................................D-1
Belt Replacement .......................................D-1
Chute Adjustment .......................................D-2
Skid Shoe Adjustment .....................................D-2
PARTS & ILLUSTRATED DRAWINGS SECTION E
Main Frame & Auger Drive ................................E-1 & 2
Main Drive & Fan Drive ..................................E-3 & 4
Chute & Hydraulics ....................................E-5 & 6
Shields & Decals .....................................E-7 & 8
Cutting Edge, Bump Bar, & Skid Shoes .........................E-9 & 10
PARTS/OPTIONS SECTION F
12 Volt Actuator Deflector Control .............................F-1 & 2
Weight Transfer for LT3000 Tractors ...........................F-3 & 4
WARRANTY
TABLE OF CONTENTS
iii

Product Description
LX420 Snow Blower
The Ventrac Model LX420 Snow Blower is a powerful, high capacity, two-stage snow blower. It
combines an aggressive sixteen inch auger with a heavy duty, high speed fan to make a powerful and
efficient snow removing attachment for the Ventrac 3000 series tractors.
The LX420 Snow Blower features:
•a hydraulic motor that rotates the chute 220 degrees.
•a reversible, hardened cutting edge.
•quick attach mounting to the tractor.
•adjustable skid shoes.
•optional 12 volt actuator to control the chute deflector angle.
A-1
INTRODUCTION
Ventrac LX420 Specifications
Overall Height....................................52-1/2 inches
Overall Length .....................................43 inches
Overall Width ......................................42 inches
Weight ........................................360 pounds
Auger Opening Width ..................................38 inches
Auger Diameter .....................................16 inches
Fan Diameter ....................................19-1/2 inches
Venture Products, Inc. reserves the right to change these specifications without notice.

SAFETY
B-1
ATTENTION:
This symbol identifies potential health and
safety hazards. It marks safety precautions.
Your safety and the safety of others is involved.
SIGNAL WORD DEFINITIONS
Indicates a potentially hazardous situation
which, if not avoided, may result in minor
or moderate injury and/or property dam-
age. It may also be used to alert against
unsafe practices.
Indicates a potentially hazardous situation
which, if not avoided, could result in death
or serious injury.
Indicates an imminently hazardous situa-
tion which, if not avoided, will result in
death or serious injury. This signal word is
limited to the most extreme cases.

The following decals must be maintained on your Ventrac Attachment. If any decals
are faded or missing, contact your dealer promptly for replacements.
B-2
SAFETY
A
Decal Page &
Location Description Part Number
AE-7, #5 DECAL, DANGER SHIELD MISSING 00.0062
BE-7, #18 DECAL, HAZARD-MOVING PART 00.0101
CE-7, #17 DECAL, THROWN OBJECT HAZARD 00.0122
DE-5, #34 (2) DECAL, KEEP HAND AND FEET AWAY 00.0123
EE-7, #6 (2) DECAL, DANGER AUGER HAZARD 00.0208
FE-7, #23 DECAL, WARNING READ OWNERS MAN 00.0217
GE-7, #23 DECAL, GENERAL SAFETY 00.0220
BC
DE
F
G

General Safety Procedures
for Ventrac Tractors, Attachments, & Accessories
Read and understand the operator’s manual before operating this equipment.
Observe and follow all safety decals.
DO NOT let children or any untrained person operate the tractor or attachment. Make sure that all
operators of this equipment are thoroughly trained in using it safely.
Never allow additional riders on the tractor or attachments.
DO NOT operate tractor or attachments if you are under the influence of alcohol, drugs, or medication
that may impair judgment or cause drowsiness, or if you are not feeling well.
Operate all controls from the operator’s seat only.
Before operating equipment, make sure all shields are in place and fastened.
Ensure the attachment or accessory is locked or fastened securely to the tractor before operating.
See tractor manual for locking procedure.
Ensure that all bystanders are clear of the tractor and attachment before operating. Be especially
careful and observant if other people are present. Never assume that bystanders will remain where
you last saw them.
Always look in the direction the tractor is moving.
Never direct the discharge of any attachment in the direction of people, animals, buildings, vehicles,
or objects of value.
Stop operation immediately at any sign of equipment failure and correct the problem before
continuing to operate. An unusual noise can be a warning of equipment failure or a sign that
maintenance is required.
Before adjusting, cleaning, lubricating, or changing parts on the tractor or attachment, engage the
parking brake, lower the attachment to the ground, stop the engine, and remove the ignition key.
To prevent the risk of uncontrolled equipment movement on tractors equipped with 2 speed axles,
always shift the transaxle range with the tractor stationary on level ground and with the parking brake
engaged.
If equipment is to be left unattended, engage the parking brake, lower the attachment to the ground,
stop the engine, and remove the ignition key.
B-3
SAFETY

LX420 Safety Procedures
Never operate snow blower when people are in the area. Frozen snow, ice, gravel, and other objects
can be thrown at lethal velocity.
Operators should be familiar with the area they are clearing and make preparations ahead of time.
Place guide stakes appropriately and remove stones, markers, or other debris that may be hidden
after a snowfall. Curbs, offsets, steps, man hole covers, broken or raised pavement, etc. should be
noted. Operators should map areas to be cleared before the winter season so they can review
potential hazards prior to clearing snow in the area.
If an area is to be cleared that is unfamiliar to the operator, travel slowly and use EXTREME
CAUTION. Inquire of anyone who might know of potential hazards.
The operator should never proceed if visibility is poor. If the tractor is equipped with a cab, the
windshield must be kept clean.
Discharge snow with the wind direction as much as possible. Discharging into the wind reduces
blowing distance and visibility.
Use caution when operating around objects that can obstruct your vision.
Shut off the PTO when you are not blowing snow.
Always shut off the PTO and engage the parking brake before dismounting to change the angle of the
discharge chute deflector.
Never travel at speeds that would cause injury to the operator or damage to the machine, if the
machine were to be stopped suddenly by an unseen, immovable object.
SAFETY
B-4
Before making any repairs or adjustments, engage
the parking brake, lower attachment to the ground,
shut the engine off, and remove the key.
Read and understand the operator’s manual
before operating this equipment.
Never direct the snow blower discharge chute to-
ward people, animals, buildings, vehicles, or other
personal property. Debris can be thrown from the
chute causing damage, serious injury, or death.
Before operating any LX420 prior to serial
AB1135 with a LE3100 or LE3200 that is
equipped with a tractor cab, a new center post
(Kit #70.3022) must be installed, or the tractor
cab must be removed. Damage may occur to
the cab if proper precaution is not followed.
See Warning Above
Before Operating the
LX420 with a LE Cab!

Attaching
1. Drive the tractor slowly forward into the hitch arms on the snow blower. Align the lift arms of the
tractor with the snow blower hitch arms by raising or lowering the front hitch and complete the
engagement.
2. Once completely engaged, close the front hitch locking lever. *
3. Raise snow blower to the highest position, engage the parking brake*, and shut off the engine.
4. LT3000: Place blocks underneath the snow blower to prevent it from lowering. Insert the spring
hook through the hole on the upper spring mounting bracket and slip the other spring hook over
the spring anchor lever on the snow blower (Fig 1). Rotate the spring anchor lever down until the
hole is aligned with one of the holes on the main frame. The lowest hole is recommended. Insert
the ball pin to secure. See (Fig 2).
LE3100-3200: Set the weight transfer system* to the maximum amount of weight transfer allow-
able. (Note: If your LE3100 is not equipped with weight transfer, part # 70.3014 must be ordered).
5. Place the attachment belt over the outside groove of the PTO drive pulley on the tractor. Ensure
the belt is properly seated in each pulley.
6. Engage the PTO belt tension spring on the
snow blower. See Figure 3. Belt tension can
be adjusted by moving the belt tension spring
to a different slot. See belt tension adjustment
on page D-2.
7. Wipe the quick couplers clean, and connect to
the tractor. If equipped, connect the hoses and
quick couplers so the red indicators are paired
together and the yellow indicators are paired
together.
8. Connect the electric plug. (if equipped)
* Refer to tractor manual for operation of
controls.
OPERATION
C-1
Figure 1 Figure 2
Figure 3
Spring mount bracket
Spring anchor lever Ball pin
Belt tension spring

Detaching
1. Park the tractor on a level surface and set the parking brake.*
2. Raise the snow blower to the highest position and shut off tractor engine.
3. Place blocks under snow blower to prevent it from lowering.
4. LT3000: To remove the weight transfer springs, hold down the spring anchor lever, remove the
ball pin, and slowly rotate the lever up. Remove the springs and keep with the snow blower.
LE3100-3200: Disengage the weight transfer system*.
5. Remove the blocks and lower the snow blower to the ground.
6. Disengage the PTO belt tension spring.
7. Remove the attachment belt from the PTO drive pulley of the tractor.
8. Disconnect the hydraulic quick couplers from the tractor.
9. Disconnect the electric plug. (if equipped)
10. Disengage the hitch locking lever.*
11. Restart tractor and slowly back away from the snow blower.
*Refer to tractor manual for operation of controls.
Operating Techniques & Tips
The tractor should be running approximately 2000-2500 RPM before engaging the PTO.
Always direct the discharge chute toward open areas. Whenever possible, blow snow with the wind
direction and not against it.
Rotate the discharge chute until discharge is pointed in the desired direction. Adjust the chute
deflector to the desired angle. (Refer to page D-2) Engage the PTO and lower the snow blower to the
ground. Push the front lift lever forward until it locks in the float position. Drive forward slowly. Shut off
PTO whenever you are not blowing snow.
C-2
OPERATION

Grease the auger, jack-shaft, & blower shaft bearings approximately every 25 hours. Do not over
grease. Usually one or two pumps are sufficient. Additional lubrication may be required in extremely
harsh or dirty conditions.
Gearbox manufacturers recommend changing the gearbox oil 50 hours after start up and then every
500 hours or seasonally, whichever comes first.
Check gearbox oil every 100 hours. It should be approximately 1/2 full. Always use 80-90 weight gear
oil when changing or adding oil.
Belt Replacement
Belt Size Venture Part #
PTO drive belt (from tractor to snow blower) .................A90......81.A090
Auger drive belt (X2) .............................A48......81.A048
Fan Drive Belt .................................B63......81.B063
Fan Drive Belt Replacement
1. Release the belt tension springs for the fan drive belt.
2. Remove the two bolts from the bracket that holds the rear blower shaft bearing. See Figure 4.
3. Rotate the bracket as shown in Figure 5.
4. Remove the PTO drive belt. Remove the old fan belt and install the new belt. Reinstall the PTO
drive belt.
5. Rotate the bracket back into place and install the two bolts.
6. Reapply the belt tension springs for the fan drive belt.
Auger Drive Belt Replacement
1. Remove the auger drive belt cover.
2. Release the belt tension spring and remove the old belt(s).
3. Install the new belt(s) and engage the belt tension spring.
4. Reinstall the auger drive belt cover.
MAINTENANCE/ADJUSTMENTS
D-1
Figure 4 Figure 5
Bolts

Belt Tension Adjustment
The belt spring tension is adjustable. This adjustment allows some belt slippage to protect the
gearbox and drive components in the event an immovable object stops the auger or fan. At the
factory, the spring is installed with the least amount of tension. The spring tension may be increased if
required.
Chute Adjustment
The chute deflector can be manually adjusted to several different settings. Release the chute
adjustment link by pulling to the side and move the deflector to the desired angle. Re-engage the
chute adjustment link. With the optional electric actuator, the chute deflector can be adjusted with a
switch on the tractor. (Part # 70.8025)
Skid Shoe Adjustment
Skid shoes are provided to raise and lower the cutting edge to the desired height. This is helpful when
clearing snow on gravel drives and roadways. To adjust the skid shoes, park the tractor and snow
blower on a level surface. Raise the snow blower and set blocks of the desired height under the
cutting edge. See Figure 6. Lower the snow blower until it is resting on the blocks. Turn off engine
and remove key. Loosen the skid shoe mounting bolts and slide the skid shoes down until they touch
the ground. Re-tighten the mounting bolts. Both skid shoes should be adjusted to the same height.
D-2
MAINTENANCE/ADJUSTMENTS
Figure 6

PARTS
MANUAL
LX420

ILLUSTRATED DRAWING
MAIN FRAME & AUGER DRIVE
PARTS
E-1

MAIN FRAME & AUGER DRIVE
E-2
PARTS
REF. PART NO. DESCRIPTION QTY.
1......90.0612 .............BOLT, 3/8-16 USS X 1 1/2 ..............................4
2......95.06 ..............WASHER, FLAT 3/8 SAE ..............................12
3......64.1088 .............PLATE, AUGER PADDLE RETAINER ........................2
4......44.0181 .............PADDLE, 1/2" 3 PLY 3/8 X 1/16 ...........................2
5......80.0348 .............AUGER, ASM. LX420 ................................1
6......99.A06N ............LOCKNUT, NYLON 3/8-16 ..............................4
7......85.K0610 ............KEY, 3/8 X 1 1/4 ...................................1
8......99.SF08 ............NUT, SF 1/2-13 USS ................................10
9......29.GF0001 ...........GREASE FTG, 1/4 SAE ST .............................2
10......55.FB22023 ..........BEARING, FLANGE BLOCK 1-7/16" .........................2
11 ......95.08 ..............WASHER, FLAT 1/2 SAE...............................9
12......90.0810 .............BOLT, 1/2-13 USS X 1 1/4 ..............................8
13......85.SS09 ............SET SCREW, 5/16" X 3/8" ..............................2
14......83.2AK11423 ..........PULLEY, 11.4" 1-7/16" BORE ............................1
15......81.A048.............BELT, A48 ......................................2
16......90.0824 .............BOLT, 1/2-13 USS X 3 ................................1
17......41.0066 .............SPRING, SINGLE TORSION LH ...........................1
18......85.B0027 ............BUSHING, 1/2 ID X 5/8 OD X 5/8 ..........................2
19......40.0314 .............IDLER ARM, AUGER DRIVE.............................1
20......90.0616 .............BOLT, 3/8-16 USS X 2 ................................1
21......83.0040 .............PULLEY, IDLER FLAT 5" PLAIN ...........................1
22......99.SF06 ............NUT, SF 3/8-16 USS .................................1
23......83.2AK2816 ..........PULLEY, 2.8" 1" BORE................................1
24......85.K0410 ............KEY, 1/4 X 1 1/4 ...................................1
25......29.0090 .............PIPE, BREATHER PLUG 1/8.............................1
26......87.0219 .............GEARBOX, CW/CCW 1" SHAFT 2:1 ........................1
27......85.K0408 ............KEY, 1/4 X 1 .....................................1
28......83.BK110H ...........PULLEY, BK 11" H-BUSH ..............................1
29......83.H16S ............BUSHING, 1" SPLIT 1/4" KEY ............................1
30......90.0406 .............BOLT, 1/4-20 USS X 3/4 ...............................2
31......96.06 ..............WASHER, LOCK 3/8 .................................4
32......90.0608 .............BOLT, 3/8-16 USS X 1 ................................4
33......99.SF0506 ...........BOLT, SF 5/16-18USS X 3/4 .............................6
34......62.0994 .............FRAME, MAIN LX420 ................................1
35......60.0876 .............RETAINER, SNOW THROWER FAN ........................1
36......99.SF05 ............NUT, SF 5/16-18 USS ................................6
37......99.SF04 ............NUT, SF 1/4-20 USS .................................6
38......90.0418 .............BOLT, 1/4-20 USS X 2 1/4 ..............................3
39......29.B0204G ...........PIPE, BUSHING 1/8 X 1/4 GALV...........................1

ILLUSTRATED DRAWING
MAIN DRIVE & FAN DRIVE
PARTS
E-3

MAIN DRIVE & FAN DRIVE
E-4
PARTS
REF. PART NO. DESCRIPTION QTY.
1......85.K0408 ............KEY, 1/4 X 1 .....................................1
2......85.SS09 ............SET SCREW, 5/16" X 3/8" ..............................2
3......83.BK6016 ...........PULLEY, 6" 1"BORE .................................1
4......81.B063.............BELT, B63 ......................................1
5......90.0824 .............BOLT, 1/2-13 USS X 3 ................................1
6......95.08 ..............WASHER, FLAT 1/2 SAE...............................9
7......41.0066 .............SPRING, SINGLE TORSION LH ...........................2
8......85.B0027 ............BUSHING, 1/2 ID X 5/8 OD X 5/8 ..........................4
9......40.0318 .............IDLER ARM, BLOWER DRIVE LX420 ........................1
10......99.SF08 ............NUT, SF 1/2-13 USS ................................10
11 ......99.SF06 ............NUT, SF 3/8-16 USS .................................3
12......95.06 ..............WASHER, FLAT 3/8 SAE...............................8
13......83.0037 .............PULLEY, IDLER FLAT 4" X 3/8............................2
14......90.0612 .............BOLT, 3/8-16 USS X 1 1/2 ..............................2
15......90.0836 .............BOLT, 1/2-13 USS X 4 1/2 ..............................1
16......40.0320 .............IDLER ARM, POWER SUPPLY BELT ........................1
17......90.0414 .............BOLT, 1/4-20 USS X 1 3/4 ..............................3
18......99.SF04 ............NUT, SF 1/4-20 USS .................................6
19......81.A090.............BELT, A90 ......................................1
20......64.1096 .............MOUNT, BEARING IDLER LX420 ..........................1
21......83.0038 .............PULLEY, V-IDLER 4-1/4 X 3/8 ID ..........................1
22......90.0814 .............BOLT, 1/2-13 USS X 1 3/4 ..............................4
23......64.1099 .............PLATE, BEARING REINFORCEMENT .......................1
24......90.0810 .............BOLT, 1/2-13 USS X 1 1/4 ..............................2
25......55.PB22023 ..........BEARING, PILLOW BLOCK 1 7/16 .........................2
26......83.BK13023 ..........PULLEY, 13" 1-7/16" BORE .............................1
27......80.0346 .............SHAFT, THROWER FAN ...............................1
28......85.K0610 ............KEY, 3/8 X 1 1/4 ...................................2
29......29.GF0001 ...........GREASE FTG, 1/4 SAE ST .............................2
30......64.1100 .............BUSHING, 1-1/2 X 2 X 7/8 ..............................1
31......80.0344 .............BLOWER, SNOW BLOWER .............................1
32......83.Q123 ............BUSHING, 1 7/16" Q1 ................................1
33......90.0610 .............BOLT, 3/8-16 USS X 1 1/4 ..............................3
34......64.1249 .............SHIM, BEARING KX//LX .............................A/R*
35......90.0614 .............BOLT, 3/8-16 USS X 1 3/4 ..............................1
*As Required

ILLUSTRATED DRAWING
CHUTE & HYDRAULICS
PARTS
E-5

CHUTE & HYDRAULICS
E-6
PARTS
REF. PART NO. DESCRIPTION QTY.
1......81.0056-1............LINK, CONN. #40 SS ................................1
2......81.0147 .............CHAIN, ROLLER #40 X 30-7/8 SS (SERIAL # 1001-1134) .............1
3......60.0872 .............SHIELD, ROTATOR CHAIN COVER (SERIAL # 1001-1134) ............1
4......99.SF0404-1 ..........BOLT, SF 1/4-20 X 1/2 W/RUBBER .........................4
5......99.SF04 ............NUT, SF 1/4-20 USS .................................4
6......83.H409 ............SPROCKET, #40 9-T HRD 5/8 BORE ........................1
7......85.K0307 ............KEY, 3/16 X 5/8....................................1
8......91.0404 .............BOLT, 1/4-28 SAE X 1/2 ...............................3
9......60.0884 .............DEFLECTOR, CHUTE LX ..............................1
10......90.0506 .............BOLT, 5/16-18 USS X 3/4 ..............................11
11 ......95.05 ..............WASHER, FLAT 5/16 SAE .............................11
12......62.1000 .............MOUNT, MOTOR HYD. (SERIAL # 1001-1134) ...................1
13......21.0113 .............MOTOR, HYD PEERLESS 1.93 CU.IN .......................1
14......20.0210 .............HOSE, ASM C 1/4 X 78"-2750 ............................2
15......23.0104 .............COUPLER, HYD. QUICK MALE 1/4 .........................2
16......29.0092 .............FITTING, .025 ORIFICE 1/4 PIPE ..........................1
17......99.SF0506 ...........BOLT, SF 5/16-18 USS X 3/4.............................9
18......62.0993 .............POST, CHUTE MOUNT (SERIAL # 1001-1134) ...................1
19......99.A04 .............LOCKNUT, STOVER 1/4-20 USS ..........................1
20......64.0673 .............CLAMP, HYD. HOSE 3/8-1/4 .............................1
21......95.04 ..............WASHER, FLAT 1/4 SAE...............................1
22......90.0410 .............BOLT, 1/4-20 USS X 1 1/4 ..............................1
23......05.0040 .............GROMMET,1 1/2ID,2-3/8OD,3/32T .........................1
24......99.SF08 ............NUT, SF 1/2-13 USS .................................2
25......85.B0027 ............BUSHING, 1/2 ID X 5/8 OD X 5/8 ..........................1
26......62.1012 .............CHUTE, MAIN SNOW BLOWER LX420 .......................1
27......99.A06 .............LOCKNUT, STOVER 3/8-16 USS ..........................1
28......95.06 ..............WASHER, FLAT 3/8 SAE...............................2
29......41.0039 .............SPRING, COMP. 9/16 OD X 5/8 ...........................1
30......42.0462 .............LINK, CHUTE ADJUSTMENT ............................1
31......90.0612 .............BOLT, 3/8-16 USS X 1 1/2 ..............................1
32......90.0816 .............BOLT, 1/2-13 USS X 2 ................................1
33......99.A05 .............LOCKNUT, STOVER 5/16-18 USS..........................2
34......05.0055 .............WASHER, NYLON .34 X .74 X .062 .........................2
35......60.1013 .............COVER, MOTOR CHUTE ROTATION (SERIAL # 1135-) ..............1
36......81.0153 .............CHAIN, ROLLER #40 X 28" SS (SERIAL # 1135-)..................1
37......62.1280 .............POST, CHUTE MOUNT (SERIAL # 1135-) ......................1
38......05.0117 .............WASHER, .544ID X .817 X.14 YEL .........................1
39......05.0116 .............WASHER, .544ID X .817 X.14 RED .........................1

ILLUSTRATED DRAWING
SHIELDS & DECALS
PARTS
E-7