This Manual Must Be Read Before Operating The Equipment Owner / Operator’s Manual FOR MODELS SP-7550 Serial # L1-144130 and higher Customer Copy Madison Heights, Michigan 48071 800-725-8377 www.snowexproducts.
Table of Contents General Information....................................................................................................................................................................................... 3 Introduction .................................................................................................................................................................................................. 4 Safety ........................................................................
General Information CONGRATULATIONS! The spreader you have purchased is an example of snow and ice control technology at its finest! Your spreader’s self-contained design is a trademark of all SnowEx products. Here’s why… SIMPLICITY: Fewer moving parts manufactured of higher quality means minimal maintenance for your SnowEx spreader. RELIABILITY: High impact linear low density polyethelyne hopper.
Introduction This manual has been designed for your help. It will assist you and instruct you on the proper set-up, installation and use of this spreader. Refer to the table of contents for an outline of this manual. We require that you read and understand the contents of this manual completely (especially all safety information) before attempting any procedure contained herein.
Safety Before attempting any procedure in this book, these safety instructions must be read and understood by all workers who have any part in the preparation or use of this equipment. For your safety warning and information decals have been placed on this product to remind the operator of safety precautions . If anything happens to mark or destroy the decals, please request new ones from SnowEx. Never exceed the Gross Vehicle Weight Rating of vehicle.
Warning Decal Positions Model # SP-7550 ROTATING AUGER CAN CAUSE SERIOUS INJURY OR DEATH • Keep arms, hands, and loose clothing away from auger. • Shut off control and unplug spreader before servicing. D6335 7.25in w x 3.00in h D6335_Warning.ai 4in x 2.25in D6192_Warning.ai • DO NOT EXCEED GVWR OF VEHICLE • DO NOT OVERLOAD SPREADER • LOAD SPREADER EVENLY D6546 7.25in w x 3.00in h D6546_Warning.ai • Read Owner’s Manual for Installation Instructions. • Secure spreader to truck with ratchet straps.
Warning Decal Positions Model # SP-7550 ROTATING AUGER CAN CAUSE SERIOUS INJURY OR DEATH • Keep arms, hands, and loose clothing away from auger. • Shut off control and unplug spreader before servicing. D6335 7.25in w x 3.00in h D6335_Warning.ai 4in x 2.25in D6194_Warning.ai DANGER • DO NOT REMOVE SPREADER WITH MATERIAL IN HOPPER • FASTEN SPREADER DOWN WITH APPROVED RATCHET STRAPS AND BOLT KIT • REAR FRAME LOCATOR BARS MUST BE IN PLACE BEFORE OPERATING VEHICLE D6547 7.25in w x 3.00in h D6547_Warning.
Operating the Spreader Model # SP-7550 SPREADER LOADING WARNING – Do not overload vehicle. Use chart below to calculate weight of material. Weights of material are an average for dry materials. Material Weight Per Cubic Ft. Rock Salt 80-90 lbs. Sand/Salt Mix 95-120 lbs. • Warning – Never leave material in hopper for long periods of time as salt is hygroscopic and will attract atmospheric moisture and harden up.
Operating the Spreader (continued) Model # SP-7550 DISCHARGE BAFFLE and INVERTED-V INSTRUCTIONS • T he 7550 uses an Inverted-v design over the auger area. This inverted-v (D5510) is used to reduce load to the auger drive train. It must not be removed unless servicing the unit. • W ARNING: Always disconnect power source before attempting to remove material baffle. • T he 7550 uses a discharge baffle (D5517) to reduce material leakage. It must not be removed unless servicing the unit.
Drive Enclosure Installation Instructions Model # SP-7550 Step1: Lift latch up Step 2: Swing hood open Step 3: Pull main pin Step 4: Lift drive assembly off pins Important When installing drive unit on spreader make sure the material chute clips under the trough of the hopper.
Spreader Maintenance Model # SP-7550 • WARNING – When servicing is necessary, perform it in a protected area Do not use power tools in rain or snow because of danger of electrical shock or injury. Keep area well lighted. Use proper tools. Keep the area of service clean to help avoid accidents. • WARNING: Never remove spreader with material in hopper. • WARNING: Disconnect electricity to spreader before servicing. • CAUTION: – When replacing parts use only original manufacturer”s parts.
General Wiring Instructions Model # SP-7550 Step 1: Take harness assembly and route from the rear of the vehicle to the front. Route harness along frame and attach to frame hole and frame supports. It is not recommended to attach to fuel or brake lines for obvious reasons. Do not route close to exhaust system or engine, even though Snowex uses high temperature wiring. It still could melt under extreme heat and short the spreader electrical system, as well as the vehicle electrical system.
Control and Harness Diagram Model # SP-7550 5 9 7 IMPORTANT: In the off season remove control and put in a cool dry place. The interior summer temperatures could damage circuit board and void warranty. 2 6 See CHMSL page 15 1 12 10 11 3 8 4 IMPORTANT: Do Not modify harness length. Any modifications will void warranty. Special Notes: 1) All external connections must have dielectric grease. 2) Read lead labels before attaching to power source or ground.
Harness Diagram Model # SP-7550 D6322 Vehicle Harness Mold Cap Red End View White 10 GA Spinner+ Red 10 GA Auger+ Black 10 GA Spinner - Green 10 GA Auger - Black Blue 12 GA Vibrator - Orange 10 GA Vibrator - Spinner+ 10 GA White Auger+ 10 GA Red Vibrator+ 12 GA Orange Hot Circuit Spinner10 GA Black Auger10 GA Green Vibrator12 GA Blue Grd Circuit D6341 Control Power Cable 3/8” Terminal w/Heat Shrink Black 124” Tubing Red Front View Red to Black to Positive + Negative - 14 © Trynex Interna
Harness Diagram Model # SP-7550 D5524 Spreader Harness 58" VIBRATOR PLUG 5" AUGER BLACK B A RED 87 1/4" SPINNER PLUG 47" BLACK LOAD VIEW RED BLACK - VIBRATOR VIBRATOR + RED AUGER + RED BLACK - AUGER SPINNER + RED BLACK - SPINNER LOAD VIEW D5525 Controller Vibrator Red Positive (+) Vibrator Black Negative (-) Auger Black Negative (-) Auger Red Positive (+) Black Negative (-) Red Positive (+) © Trynex International 2011 (REV 001) Spinner Black Negative (-) Spinner Red Positive (+) IMPOR
Harness Diagram Model # SP-7550 D6785 Spreader Auxiliary Harness 28" 28" 12" 2-WAY CHMSL BLUNT (2) A-RED BURY LEADS IN CONDUIT B-BLACK A B 3" RED-BLUNT BLACK-BLUNT RED TO MOLDED 2-WAY BLACK TO MOLDED 2-WAY RED TO PACKARD BLACK TO PACKARD LOAD VIEW D6786 Vehicle Auxiliary Harness MOLD CAP 27' 310" 14" TAPE BK RD 14" 34" 12" BURY 12" WIRE IN CONDUIT 16 27' BK 27' RD 4' BK 4' RD 12" BK 12" RD © Trynex International 2011 (REV 001)
Harness Diagram Model # SP-7550 D6514 Center High Mount Stop Lamp Connect to Spreader Harness D6785 © Trynex International 2011 (REV 001) 17
Mounting System Diagrams Model # SP-7550 Through Floor/Bed Mounting Bolts 1 2 3 Figure 2 : Frame Mounting Bolts Rear Stop LT & RT 4 5 6 7 Figure 1 : Key Part No.
Mounting Instructions Model # SP-7550 Step 1: Remove tailgate from pickup bed. Step 2: Load spreader on to truck bed and mount spinner assembly. Step 3: Slide spreader forward until deflector/chute assembly makes contact with vehicle. Then, slide spreader back approx. 1” to allow for proper clearance. Step 4: Install stop bars using supplied hole patterns (see Fig.2). To achieve the best position, you may need to drill additional holes in bracket in order to properly position spreader.
Troubleshooting Model # SP-7550 Spreader Does Not Run Controller Turns On Beeps Shuts Off Displays Error Code OL Code Definition Amp Draw Too High Jammed Material Clear Jam Bad Motor Check With Test Kit Test 4 to 20 Amp Draw No Load Good 20+ Amp Draw No Load Bad Bad Transmission Check With Test Kit Test Turn Shaft By Hand Should Turn Freely Corrosion Replace All Corroded Connections Don´t Forget Use Doelectric Grease Bad Controller Check With Test Kit EO Code LB Code Definition Open Circuit
Troubleshooting Material Flow Model # SP-7550 Material Free Flows Material Does Not Flow Check Baffle Length 18” Correct Material Issue Check Baffle Position Should Touch Hopper On 3 Sides Material Issue Material Obstruction Remove Obstruction Material Issue Auger Runs Backwards Run 12 Volt To Auger Circuit On Spreader Power Cord Auger Runs Proper Direction Replace Vehicle Harness Auger Runs Backwards Check Connections At Auger Motor For Reverse Polarity Turn On Vibrator Slow Material Flo
Warranty Warranty Limited Warranty Snowex products are warranted for a period of two years from the date of purchase against defects in material or workmanship under normal use and service, subject to limitations detailed below. Warranty period of two years begins on the date of purchase by the original retail user. The WARRANTY REGISTRATION CARD must be returned to the manufacturer for this warranty to become effective. This warranty applies to the original retail purchaser only.
Spreader Views Model # SP-7550 23 © Trynex International 2011 (REV 001)
Frame Assembly Parts Breakdown Model # SP-7550 8 4 8 5 1 8 6 2 9 3 24 7 © Trynex International 2011 (REV 001)
Frame Assembly Parts Breakdown Model # SP-7550 ID # Part # Qty ID # Part # Qty ID # Part # Qty 1 D5504 1 5 D6158 2 9 D6529 2 2 D5505 2 6 D6468 2 3 D5506 1 7 D6514 1 4 D5507 2 8 D6528 14 © Trynex International 2011 (REV 001) 25
Auger Drive Assembly Parts Breakdown Model # SP-7550 18 12 13 11 15 16 5 6 22 4 23 17 21 3 1 7 10 20 9 8 19 17 26 2 14 © Trynex International 2011 (REV 001)
Auger Drive Assembly Parts Breakdown Model # SP-7550 ID # Part # Qty ID # Part # Qty ID # Part # Qty 1 D4121 4 9 D5533 1 17 D6584 6 2 D4122 2 10 D5535 4 18 D6784 1 3 D5383 2 11 D6105 1 19 D6826 1 4 D5513 1 12 D6158 2 20 D6873 3 5 D5514 1 13 D6159 2 21 D7164 2 6 D5520 1 14 D6452 2 22 T20315 1 7 D5522 1 15 D6528 4 23 T30742 1 8 D5532 2 16 D6553 2 © Trynex International 2011 (REV 001) 27
Hopper Assembly Parts Breakdown Model # SP-7550 5 15 11 6 14 4 8 7 15 2 9 10 3 1 13 3 12 13 28 © Trynex International 2011 (REV 001)
Hopper Assembly Parts Breakdown Model # SP-7550 ID # Part # Qty ID # Part # Qty ID # Part # Qty 1 D5500 1 7 D5517 1 13 D6584 16 2 D5503 1 8 D6138 1 14 D6815 2 3 D5508 4 9 D6165 1 15 D6874 10 4 D5510 1 10 D6166 1 5 D5511 1 11 D6509 4 6 D5512 1 12 D6515 1 © Trynex International 2011 (REV 001) 29
Drive Assembly Parts Breakdown Model # SP-7550 13 3 17 20 5 15 12 6 24 14 19 1 18 4 7 27 10 22 11 9 23 8 28 25 21 16 10 26 30 2 © Trynex International 2011 (REV 001)
Drive Assembly Parts Breakdown Model # SP-7550 ID # Part # Qty 1 D4135 D4289 D5502 D5518 D5536 D6107 D6131 D6132 D6133 D6138 1 2 3 4 5 6 7 8 9 10 © Trynex International 2011 (REV 001) 7 1 1 2 1 4 4 1 6 ID # 11 12 13 14 15 16 17 18 19 20 Part # Qty D6162 D6172 D6198 D6232 D6467 D6524 D6553 D6563 D6781 D6819 1 2 1 1 6 8 1 1 ID # 21 22 23 24 25 26 27 28 Part # Qty D6820 D6823 D6824 D6827 D6832 D6833 D6854 F50438 1 1 1 1 1 1 3 2 1 1 31
Notes 32 © Trynex International 2011 (REV 001)
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Notes 34 © Trynex International 2011 (REV 001)
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