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MODEL SA-6C
UNIT SERIAL NUMBER ___________________________
MANUAL NUMBER: 96875-H
EFFECTIVE 10/2021
1330 76TH AVE SW
CEDAR RAPIDS, IA 52404-7052
PHONE (800) 363-1771 | FAX (319) 286-3350
www.newleader.com
Copyright 2019 Highway Equipment Company, Inc.
Now doing business as New Leader Manufacturing

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Summary of Contents for New Leader Hi-Way SA-6C

  • Page 1 MODEL SA-6C UNIT SERIAL NUMBER ___________________________ MANUAL NUMBER: 96875-H EFFECTIVE 10/2021 1330 76TH AVE SW CEDAR RAPIDS, IA 52404-7052 PHONE (800) 363-1771 | FAX (319) 286-3350 www.newleader.com Copyright 2019 Highway Equipment Company, Inc. Now doing business as New Leader Manufacturing...
  • Page 2: Table Of Contents

    SA-6C Table of Contents Preface ���������������������������������������������������������������������������������������������������������������������������������������������������� 5 Safety ������������������������������������������������������������������������������������������������������������������������������������������������������ 6 Important Safety Information ������������������������������������������������������������������������������������������������������ 6 Safety Alert Symbols �������������������������������������������������������������������������������������������������������������������� 6 General Safety Rules ����������������������������������������������������������������������������������������������������������������������������� 7 Safety Decals ���������������������������������������������������������������������������������������������������������������������������������������� 17 Safety Decal Maintenance ��������������������������������������������������������������������������������������������������������� 17 Safety Decal Installation ������������������������������������������������������������������������������������������������������������ 17 Installation Instructions ����������������������������������������������������������������������������������������������������������������������� 19 Pump Installation ������������������������������������������������������������������������������������������������������������������������...
  • Page 3 SA-6C Table of Contents Instructions for Ordering Parts ������������������������������������������������������������������������������������������������������������� 47 Tailgate Baffles ������������������������������������������������������������������������������������������������������������������������������ 49 Trough - Direct Drive �������������������������������������������������������������������������������������������������������������������� 50 Trough - Gearcase Drive �������������������������������������������������������������������������������������������������������������� 52 Spinner ������������������������������������������������������������������������������������������������������������������������������������������ 54 Mounting ��������������������������������������������������������������������������������������������������������������������������������������� 56 Mounting - Quick Disconnect ����������������������������������������������������������������������������������������������������� 57 Gearcase ��������������������������������������������������������������������������������������������������������������������������������������� 58 Hydraulic Motor - Auger ��������������������������������������������������������������������������������������������������������������...
  • Page 4 Insert Current Hi-Way Warranty...
  • Page 5: Preface

    New Leader Manufacturing reserves the right to make alterations or modifications to this equipment at any time. The manufacturer shall not be obligated to make such changes to machines already in the field.
  • Page 6: Safety

    Figure 1�1 - The need for safety cannot be stressed strongly enough in this manual� At New Leader Manufacturing, we urge you to make safety your top priority when operating any equipment. We firmly...
  • Page 7: General Safety Rules

    NL5000G5 General Safety Rules Operations PREPARE FOR EMERGENCIES Figure 1.2 - Be prepared if a fire starts. Keep a fully charged fire extinguisher and first aid kit in accessible place on the vehicle at all times� Fire extinguisher must be Type ABC or Type BC� Keep emergency numbers for doctors, ambulance service, hospital and fire department available at all times.
  • Page 8 NL5000G5 General Safety Rules Operations HANDLE HAZARDOUS MATERIALS SAFELY Figure 1�5 - Materials to spread can be dangerous� Improper selection, application, use or handling may be a hazard to persons, animals, plants, crops or other property� A Safety Data Sheet (SDS) provides specific details on chemical products: physical and health hazards, safety procedures and emergency response techniques�...
  • Page 9 NL5000G5 General Safety Rules Operations AVOID MOVING PART HAZARDS Figure 1�8 - Entanglement in rotating drive lines or moving parts will cause serious injury or death� Stay clear of all moving parts, such as shafts, couplings and universal joints� Make sure all personnel are clear of machine before starting� Figure 1�8 Figure 1�9 - Do not operate machine without all guards and shields closed and secured�...
  • Page 10 NL5000G5 General Safety Rules Operations DO NOT CLIMB OR STAND ON MACHINE Figure 1�12 - Never allow any personnel to ride in or on the machine� Use inspection ladder or portable ladder to view the unit� Use caution when getting on and off the ladder, especially in wet, icy, snowy or muddy conditions�...
  • Page 11 NL5000G5 General Safety Rules Transportation & Handling TRAVELING & TRANSPORTING ON PUBLIC ROADS Always walk around and visually inspect the machine before traveling on public roads� Check for damage and/or faulty components that can fail and create a hazard or unsafe condition� Make sure all machine systems operate properly, including but not limited to: headlights, tail and brake lights, hazard warning lights, turn indicators, parking brake, horn and rear view mirrors�...
  • Page 12 Never modify any equipment or add attachments not approved by New Leader Manufacturing� Figure 3�1 DO NOT SERVICE OR ADJUST MACHINE WHILE IN MOTION Figure 3�2 - Never lubricate, service or adjust the machine or any of its components while they are moving�...
  • Page 13 Use power tools only to loosen threaded parts and fasteners� Using power tools to tighten may cause over-tightening and component damage� Use only service parts meeting New Leader specifications. Figure 3�6 www.NewLeader.com 316002-AA-A (800) 363-1771...
  • Page 14 NL5000G5 General Safety Rules Maintenance HIGH PRESSURE FLUID HAZARDS Figure 3.7 - Escaping fluid under pressure can penetrate the skin causing serious injury� Always stop machine, allow to cool and relieve pressure before servicing hydraulic system� Never open hydraulic lines under pressure� Make sure all connections are tight and all hoses are in good condition before pressurizing system�...
  • Page 15 NL5000G5 General Safety Rules Maintenance CLEAN MACHINE OF HAZARDOUS CHEMICALS During application of hazardous chemicals, residue can build up on the inside or outside of the vehicle� Clean vehicle according to use instructions of hazardous chemical� Failure to comply with this requirement may result in minor or moderate injury�...
  • Page 16 NL5000G5 General Safety Rules Storage PARK VEHICLE SAFELY Figure 4�1 - When leaving the vehicle unattended for any reason, be sure to: • Shut down PTO� • Shut off vehicle’s engine, and unit’s engine if applicable� • Place vehicle transmission in “Neutral” or “Park”� •...
  • Page 17: Safety Decals

    Replace safety decals and signs that are missing or have become illegible� Replaced parts that displayed a safety sign should also display the current sign� Safety decals or signs are available from your dealer’s Parts Department or from New Leader Manufacturing by calling (800) 363-1771�...
  • Page 18 SA-6C www.NewLeader.com 96875-H - 18 - (800) 363-1771...
  • Page 19: Installation Instructions

    SA-6C Installation Instructions Due to the variations in type and model of trucks, dump bodies and PTO assemblies, no one set of instructions will be applicable to all units� The following is offered as a guide for laying out an individual unit� Considerable latitude is permitted in mounting of parts.
  • Page 20: Transmission Pto Drive

    SA-6C Installation Instructions Cont. Transmission Pto Drive The through-shaft pump and mounting bracket must be used on most any truck with an existing transmission PTO and continuously operating dump hoist pump installation� DO NOT check for leaks adjacent to moving parts while system is operating as there may be danger of entanglement! Failure to comply with this requirement could result in death or serious injury�...
  • Page 21: Electric Clutch V-Belt Drive

    SA-6C Installation Instructions Cont. Electric Clutch V-Belt Drive As available space around truck engine varies greatly from model to model, no specific mounting instructions can be given� The electric clutch pump assembly supplied will be rear ported and have two 7�082 inch diameter V-belt pulleys for 1/2"...
  • Page 22: Tailgate Filler Panels

    SA-6C Installation Instructions Cont. Tailgate Filler Panels Tailgate panels are furnished to bolt or weld to the inside rear corner of the tailgate� Parts needed: ITEM DESCRIPTION Tailgate Panels 3/8 x 3 1/2 Cap Screw 3/8 Lock Washer 3/8 Hex Nut Figure 2 –...
  • Page 23: Mounting Of Spreader

    SA-6C Installation Instructions Cont. Mounting Of Spreader 1� Measure overall width of dump body rub rail and overall width of spreader—these dimensions must be the same or spacers must be used to make them the same� (Spacers are not included�) Stay out from under the spreader while it is supported under the truck body�...
  • Page 24: Spinner Assembly

    SA-6C Installation Instructions Cont. Spinner Assembly The spinner assembly is installed on two brackets near the left-hand end of the spreader underneath the trough� (Figure 4) Parts needed: ITEM DESCRIPTION Spinner Assembly Hinge Rod Hairpin Figure 4 – Spinner Mount 1�...
  • Page 25: Leveling Mechanism

    SA-6C Installation Instructions Cont. Leveling Mechanism Figure 5 - Leveling Mechanism Parts needed: ITEM DESCRIPTION The leveling mechanism may now be mounted� Clamp the Frame Bracket (5) to the outside of the Mounting Angle right truck frame rail� The center of the Frame Bracket hole should be exactly 14�00”...
  • Page 26: Hydraulic Hose Installation

    SA-6C Installation Instructions Cont. Hydraulic Hose Installation Determine the pressure port of the pump� Install the pressure hose into this port as shown in Figure 16� Connect the suction hose to the opposite port and to the tank outlet on the reservoir� If necessary, use plastic tie straps to support hoses so that they will not catch on field obstructions or contact the muffler or moving parts�...
  • Page 27: Reusable Non-Skive Type Ends

    SA-6C Installation Instructions Cont. Reusable Non-Skive Type Ends Step 1 Cut hose to length required using a fine tooth hacksaw or cut-off machine� Clean hose bore� Step 2 Liberally lubricate hose cover with hose assembly lube� Place socket in vise and turn hose into socket counterclockwise until it bottoms�...
  • Page 28: Hydraulic Hose Maintenance

    SA-6C Installation Instructions Cont. Hydraulic Hose Maintenance Hose assemblies in operation should be inspected frequently for leakage, kinking, abrasion, corrosion or other signs of wear or damage� Worn or damaged hose assemblies should be replaced immediately� Testing should be conducted in approved test stands with adequate guards to protect the operator�...
  • Page 29: Hydraulic Hose Installation Guide

    SA-6C Installation Instructions Cont. Hydraulic Hose Installation Guide 1� Use elbows and adapters in the installation to 2� Install hose runs to avoid rubbing or abrasion� relieve strain on the assembly, and to provide Clamps are often needed to support long runs easier and neater installations that are accessible of hose or to keep hose away from moving for inspection and maintenance�...
  • Page 30: Electrical Connections

    SA-6C Installation Instructions Cont. Electrical Connections Connect all electrical control circuits� The supply conductor should be connected to the accessory terminal of the truck ignition switch through the fifteen amp. circuit breaker provided in the control panel. All wiring should be approved automotive insulated wire, should be supported adequately with insulating ties or straps, should be located where it will not interfere with any control access, does not contact any moving parts or sharp edge and is kept away from any hydraulic line or any heated part�...
  • Page 31: General Description

    SA-6C General Description The SA-6C unit is an under-tailgate-type spreader designed for spreading abrasives and/or chemicals, primarily for ice and snow control� The SA-6C is a single spinner, single auger spreader� The entire unit mounts to the sides of a dump body level with the floor of the box.
  • Page 32: Dimensions & Capacities

    SA-6C Dimensions & Capacities 19 1/8" 38" 33 1/2" 18" 96" 98 3/4" 21 1/8"   HEIGHT DEPTH LENGTH (inches) (inches) (inches) With Spinner (W/S) 39 3/16 27 5/16 99 9/16 Without Spinner 26 3/16 24 7/8 99 9/16 www.NewLeader.com 96875-H - 32 - (800) 363-1771...
  • Page 33: Initial Start-Up

    SA-6C Initial Start-Up Check over the entire unit to be sure all fasteners are in place and properly tightened per Torque Chart in this manual� Disengage PTO driving pump� Be sure On-Off control in cab is in the Off position� Do not load the spreader�...
  • Page 34: General Operating Procedures

    SA-6C General Operating Procedures Before taking the unit out to use, make a walk- around inspection to assure that the spreader is not damaged, that all essential parts are in place, and Side View of Spreader that all fasteners are tight and all Control Valve guards are in Figure 1 - Operating Controls...
  • Page 35 SA-6C General Operating Procedures Continued Spread pattern is determined by the mounting position of the spinner assembly� Lateral adjustment of the assembly is made by sliding it along the hinge pin� Lock the assembly in place by tightening set screw� Slide the spinner to the far left and tighten the set screw�...
  • Page 36: Automatic Dual Control System

    SA-6C General Operating Procedures Continued VEHICLE SPEED (MPH) VALVE 8�9 6�7 5�4 4�5 3�8 3�4 POSITION 12�7 9�5 7�6 6�4 5�5 4�8 16�7 12�5 10�0 8�4 7�2 6�3 20�7 15�5 12�4 10�4 8�9 7�8 24�0 18�0 14�4 12�0 10�3 9�0 27�5 20�7 16�5...
  • Page 37: Hydraulic System

    SA-6C General Operating Procedures Continued Hydraulic System When the engine is running and the PTO or electric clutch is engaged, the pump delivers oil to the cab control valve� If the On-Off valve is in the Off position, the oil flows through the valve and returns to the reservoir�...
  • Page 38: Lubrication And Maintenance

    SA-6C Lubrication and Maintenance Preventative Maintenance Pays! The handling and spreading of salt and sand is a highly severe operation with respect to metal corrosion� Establish a frequent, periodic preventative maintenance program to prevent rapid deterioration to equipment� Proper cleaning, lubrication and maintenance will yield longer life, more satisfactory service and more economical use of your equipment�...
  • Page 39: Lubrication Of Bearings

    SA-6C Lubrication and Maintenance Continued Lubrication of Bearings Grease in a bearing acts to prevent excessive wear of parts, protects ball races, and balls from corrosion and aids in preventing excessive heat within the bearing� It is very important the grease maintain its proper consistency during operation.
  • Page 40: Hydraulic System

    SA-6C Lubricant and Hydraulic Oil Specifications The lubricant distributor and/or supplier is to be held responsible for results obtained from their products� Procure lubricants from distributors and/or suppliers of unquestionable integrity, supplying known and tested products� Do not jeopardize your equipment with inferior lubricants.
  • Page 41: Grease Gun Lubricant

    SA-6C Lubricant and Hydraulic Oil Specifications Continued Grease Gun Lubricant Use a ball and roller bearing lithium base lubricant with a minimum melting point of 300° F (148�9° C)� This lubricant should have a viscosity that assures easy handling in the pressure gun at prevailing atmospheric temperatures�...
  • Page 42: Lubrication Chart

    SA-6C Lubrication Chart Shut off all power and allow all moving parts to come to rest before performing any maintenance operation� Failure to comply with this warning could result in death or serious injury� The spreader should be regularly lubricated with the lubricants recommended in this manual in accordance with the following chart: LOCATION PLACES...
  • Page 43: Troubleshooting

    SA-6C Troubleshooting 1� Symptom: Neither auger nor spinner will operate� Reason Correction A� Low reservoir oil level� Check and fill as required. B� PTO not engaged� Engage PTO� Check for broken or disconnected control cable� C� PTO malfunction� Check out PTO� D�...
  • Page 44: Hydraulic Schematic

    SA-6C Hydraulic Schematic NOTE: This schematic only valid with use of Hi-Way valve� www.NewLeader.com 96875-H - 44 - (800) 363-1771...
  • Page 45: Standard Torques

    SA-6C Standard Torques National Coarse (NC) Cap Screws CAP SCREW GRADE IDENTIFICATION - MARKINGS ON HEAD SAE GRADE 2 NO MARKINGS SAE GRADE 5 THREE MARKS - 120 DEGREES APART SAE GRADE 8 SIX MARKS - 60 DEGREES APART USE GRADE 2 TORQUES FOR STAINLESS STEEL FASTENERS AND CARRIAGE BOLTS� TORQUE - FOOT-POUNDS CAP SCREW GRADE 2...
  • Page 46 SA-6C Notes This page is intentionally left blank. www.NewLeader.com 96875-H - 46 - (800) 363-1771...
  • Page 47: Instructions For Ordering Parts

    (if any) should be filed with the transportation company and not with New Leader Manufacturing� If your claims are not being handled (by the transportation company) to your satisfaction, please call the Parts Manager at New Leader Manufacturing (319-363-8281) for assistance�...
  • Page 48 SA-6C Notes This page is intentionally left blank. www.NewLeader.com 96875-H (800) 363-1771...
  • Page 49: Tailgate Baffles

    SA-6C Tailgate Baffles ITEM PART NO. DESCRIPTION 304 SS 201 SS 88876 88876-X1 88876 Hardware - Kit, Includes 2-4 96811 96856 308505 Guard - Tailgate 20079 34860 20079 Cap Screw – 3/8 x 4 20712 36420 20712 Washer – Lock 3/8 20644 36414 20644...
  • Page 50: Trough - Direct Drive

    SA-6C Trough - Direct Drive 29 30 31 21 22 23 ITEM PART NO. DESCRIPTION 304 SS 201 SS 304842 304843 308508 Frame – Wldmt Trough 96789 96850 308493 Plate – Motor Mount 37338 37338 37338 Motor – Hydraulic 96818 96818 96818 Bearing –...
  • Page 51 SA-6C Trough - Direct Drive Continued ITEM PART NO. DESCRIPTION 304 SS 201 SS 96769 96829 96829 Handle – Cover 96805 96862 308481 Cover – Wldmt Top 96757 96757 96757 Shaft – Adapter 96755 96755 96755 Insert – Auger Tube 96800 96800 96800...
  • Page 52: Trough - Gearcase Drive

    SA-6C Trough - Gearcase Drive 36 37 19 22 23 ITEM PART NO. DESCRIPTION 304 SS 201 SS 304842 304843 308508 Frame – Wldmt Trough 96818 96818 96818 Bearing – 2-Bolt 1-1/4 96794 96860 308480 Trough – Wldmt Bottom * 300564 300565 309567 Trough –...
  • Page 53 SA-6C Trough - Gearcase Drive Continued ITEM PART NO. DESCRIPTION 304 SS 201 SS 96805 96862 308481 Cover – Wldmt Top 96755 96755 96755 Insert – Auger Tube 96800 96800 96800 Auger – Wldmt * 300561 300561 300561 Auger – Wldmt LH Discharge 71825 71825 71825...
  • Page 54: Spinner

    SA-6C Spinner ITEM PART NO. DESCRIPTION 304 SS 201 SS 96815 96867 96867 Spinner – Kit Steel Disc (includes 1, 3-8) 96803 96866 96866 Spinner – Kit Poly Disc (includes 1, 3-8) 96763 96859 96859 Frame – Wldmt Spinner 96758 96842 96842 Rod –...
  • Page 55 SA-6C Spinner Continued ITEM PART NO. DESCRIPTION 304 SS 201 SS 20676 20676 20676 Nut – Lock 1/4 * 78780-X1 * 78780-X1 *78780-X1 Disc – Assy Poly Spinner 34852 34852 34852 Disc – Urethane 74122 74122 74122 Hub – Disc 39178 39178 39178...
  • Page 56: Mounting

    SA-6C Mounting WELD ITEMS 2 WELD ITEM #3 & 3 TO TRUCK TO DUMP BODY ITEM PART NO. DESCRIPTION 304 SS 96764 96827 Pin – Hinge 96877 96878 Plate – Wldmt 96780 96825 Boss 96762 96844 Brace – Mounting 96760 96833 Clamp –...
  • Page 57: Mounting - Quick Disconnect

    SA-6C Mounting - Quick Disconnect 8 - 10 NOTE: ITEM 4 IS WELDED TO TRUCK DRILL HOLES IN TRUCK BODY AND SA-6C TO MOUNT ITEMS 1 AND 2 USING HARDWARE ITEMS 8, 9, AND 10 8 - 10 ITEM PART NO. DESCRIPTION 304 SS 201 SS...
  • Page 58: Gearcase

    SA-6C Gearcase www.NewLeader.com 96875-H - 58 - (800) 363-1771...
  • Page 59 SA-6C GearCase Continued ITEM PART NO. DESCRIPTION 71825 Gear Case Assy 58985 Housing 24230 Bearing – Cone 24225 Bearing – Cup 22832 Ring – Snap 22831 Seal – Output 58987 Shaft – Output 24231 Ring – Snap 22839 22824 Cover 22834 Gasket –...
  • Page 60: Hydraulic Motor - Auger

    SA-6C Hydraulic Motor - Auger ITEM PART NO. DESCRIPTION 37338 Motor – Hydraulic www.NewLeader.com 96875-H - 60 - (800) 363-1771...
  • Page 61: Hydraulic Motor - Spinner

    SA-6C Hydraulic Motor - Spinner ITEM PART NO. DESCRIPTION 37336 Motor – Hydraulic 30665 Cap Screw 37382 Seal 37383 Flange – Mounting 4 Bolt 37378 Seal 37379 Seal – O-Ring 37385 Race – Bearing 37401 Bearing – Thrust Needle 3065 Key –...
  • Page 62: Hydraulic System

    SA-6C Hydraulic System ITEM PART NO. DESCRIPTION 6011 Elbow - Pipe, 90° 16582 End - Hose 6335 Clamp - Hose 23184-72 Hose - Suction (Trans. PTO) 23184-144 Hose - Suction (Electric Clutch) 16572 End - Hose (Trans. PTO) 16582 End - Hose (Electric Clutch) 56508 End - Hose 56459-72...
  • Page 63 SA-6C Hydraulic System Continued ITEM PART NO. DESCRIPTION 39796 Reservoir – Hydraulic Wldmt * 20069 Cap Screw - 3/8 x 1 1/2 * 20693 Washer - Flat, 3/8 * 20712 Washer - Lock, 3/8 * 20644 Nut - Hex, 3/8 8809 Coupling - Pipe 6026...
  • Page 64: Pump Kit With Electric Clutch

    SA-6C Pump Kit with Electric Clutch ITEM PART NO. DESCRIPTION 71196 Kit – Pump w/ Electric Clutch 34569 Pump – Hydraulic with Elec. Clutch Assy 34577 Pump – Hydraulic 34570 Clutch – Electric 34571 Bracket – Mounting 21679 Terminal – Spade 6549 Connector –...
  • Page 65: Hydraulic Pump (With Electric Clutch)

    SA-6C Hydraulic Pump (with Electric Clutch) ITEM PART NO. DESCRIPTION 34577 Pump Assy 34546 Body – Pump Assy 34549 Cover Assy 34564 Gear – Drive 34566 Gear – Driven 34554 Plate – Wear 34555 Seal – Pressure Loading 34556 Seal – Shaft 34557 Ring –...
  • Page 66: Hydraulic Pump

    SA-6C Hydraulic Pump ITEM PART NO. DESCRIPTION 24516 Pump – Hydraulic Assy 5676 Housing – Gear 5680 Pin – Dowel 58621 Plate – End 58622 Gear – Idler 5665 Plate – Wear 5678 Seal – Ring 5666 Washer – Backup 5677 Seal –...
  • Page 67: Mounting Kit - Pump (Transmission Pto)

    SA-6C Mounting Kit - Pump (Transmission PTO) ITEM PART NO. DESCRIPTION 2211 Key – Square 6069 Zerk – Grease 6123 Pin – Shear 20085 Cap Screw - 3/8 x 5 1/2 20712 Washer – Lock 3/8 20817 Pin – Cotter 22337 Bracket –...
  • Page 68: Pedestal Mount Kit

    SA-6C Pedestal Mount Kit T - TANK P - PUMP PRESSURE S - SPINNER A - AUGER/CONVEYOR ITEM PART NO. DESCRIPTION 20013 Cap Screw - 1/4 x 3 29752 Adapter 29784 Adapter 36803 Mount – Valve Wldmt 36800 Tube – Hydraulic 29799 Adapter –...
  • Page 69: Decals

    SA-6C Decals ITEM PART NO. DESCRIPTION 150034 Decal – Caution Operation & Maintenance Decal – Caution Hazardous Material 55997 Decal – Danger Stay Out of Box 55631 Decal – Warning Moving Part Decal – Danger Flying Material 83628 Decal – HI-WAY Small 96884 Decal –...
  • Page 70 SA-6C Notes This page is intentionally left blank. www.NewLeader.com 96875-H (800) 363-1771...

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