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PARTS & SERVICE
MANUAL
Big Vac
Models 72-000-A
Starting Serial # 72088 Novmeber, 2002
SMITHCO PRODUCT SUPPORT
1-800-891-9435
Hwy SS and Poplar Avenue, Cameron WI 54822
E-mail: productsupport@smithco.com
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Introduction Service Diagrams Parts Accessories Reference CONTENTS Introduction ......................................... 1-10 Introduction ................................................................................. 1-4 Introduction .................................................................................1 Safe Practices .............................................................................2 PTO Safety Warnings ................................................................
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INTRODUCTION Thank you for purchasing a product. Read this manual and all other manuals pertaining to the Big Vac carefully as they contain safety, operating, assembly and maintenance instructions. Failure to do so could result in personal injury or equipment damage. Keep manuals in a safe place after operator and maintenance personnel have read them. Right and left sides are from the operator’s seat, facing forward. All machines have a Serial Number and Model Number. Both numbers are needed w
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Introduction SAFE PRACTICES 1. It is your responsibility to read this manual and all publications associated with this machine (engine, accessories and attachments). 2. Never allow anyone to operate or service the machine or its attachments without proper training and instructions. Never allow minors to operate any equipment. 3. Learn the proper use of the machine, the location and purpose of all the controls and gauges before you operate the equipment. Working with unfamiliar equipment can lead
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PTO SAFETY WARNINGS 1. Always disengage the PTO, shut off engine and remove the keys before leaving the tractor seat. 2. Keep the tractor's master shield in place at all times. 3. Missing or damaged shielding is the main reason for driveline entanglement. Keep All Guards on and in good condition. Check guards frequently. 4. Never step across a rotating powershaft. Always walk around the revolving shaft even if guards are in place. 5. Dress for safety. Do not wear loose fitting clothes or jewelry
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Introduction SPECIFICATIONS FOR BIG VAC WEIGHTS AND DIMENSIONS Length 180" (458 cm) Width 84" (214 cm) Height 87" (221 cm) Weight 3500 lb (1588 kg) SOUND LEVEL At Ear Level 92 dB (Use ear protection while operating) PTO SHAFT Maximum RPM 540 TIRES & WHEELS Two 26.5 - 1400 x 12 (18 psi (1.3 bar)) Fairway Type Turf Tires Castor: 6 x 12 (20 psi (1.4 bar)) FLUID CAPACITY Hydraulic Fluid 17 gallon (64 liters) Grade of Hydraulic Fluid SAE 10W-40 API Service SJ or higher Motor Oil OPTIONAL EQUIP
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MAINTENANCE Before servicing or making adjustments to machine, stop engine on tow vehicle and remove key from ignition. Use all procedures and parts prescribed by the manufacturer's. Read the engine manual before operation. LUBRICATION Use No. 2 General Purpose Lithium Base Grease and lubricate every 100 hours. The Big Vac has 19 to 25 grease fittings, depending on what sweeper head you are using. All bearings are sealed bearings. When insert- ing grease, be careful not to ruin the seal, if t
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Service MAINTENANCE (CONTINUED) TIRE PRESSURE Caution must be used when inflating a low tire to recommended pressure. Over inflating can cause tires to explode. Tires on the machine should be 18 psi (1.3 bar), castor wheels should be 20 psi (1.4 bar). Improper inflation will reduce tire life considerably. WHEEL MOUNTING PROCEDURE 1. Turn machine off and remove key. 2. Be sure unit is on a level surface. Unhitch from tow vehicle if possible. 3. Block the opposite wheel then the one you are workin
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MAINTENANCE (CONTINUED) HOPPER LIFT SAFETY The Hopper Lift Safety is used to support the ram on the hopper bottom in the extended position so you may service or repair the machine under the hopper. When not in use the Hopper Lift Safety can be stored on the hopper bed frame. OVERLOADING DEBRIS HOPPER AND VACUUM HOUSING WEAR SMITHCO SWEEPER-VACS ARE DESIGNED TO CARRY THE FOLLOWING MAXIMUM LOADS: Model 72-000 Big Vac 1500 lbs. (608 kg) PLEASE NOTE THE FOLLOWING: 1. Loads heavier than that will dam
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Service SERVICE CHART Before servicing or making adjustments to the machine, stop engine, set park break, block wheels and remove key from ignition. Follow all procedures and ONLY use parts prescribed by the manufacturer. Read the engine manual before maintenance. ¤£ Engine Oil C RRR RRR Engine Oil Filter RRR Engine for Leaks and Loose Parts C C C CCC ‡ Air Cleaner (Paper Element) RCC RCR ‡ Air-Cleaner (Foam Element every 25 hours) RCCCRCR Spark Plugs (Clean and Gap/Replace) RCC CCR Valve Cleara
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END USER'S SERVICE CHART ¤£ Engine Oil Engine Oil Filter Engine for Leaks and Loose Parts ‡ Air Cleaner (Paper Element) ‡ Air-Cleaner (Foam Element every 25 hours) Spark Plugs (Clean and Gap/Replace) Valve Clearance Idle Speed ‡ Cooling System Belts and Hoses * Tire Pressure Visual Inspection of Tires Fuel Level Fuel Filter Hydraulic Oil †Hydraulic Oil Filter Hydraulic System for Leaks and Loose Parts Battery Electrolyte Level Clean Battery Terminals § Torque Lug Nuts Lubricate Reel and Blower
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Service ADJUSTMENTS ADJUSTMENT OF BELT TENSIONER There are four maximum belt tensioners on the Big Vac. Two control the tension on the belts on the blower housing, one each on the finger reel and the thatcher reel. The proper tension of the idler should be 12 to 15 as per the gauge (A) on the side of the tightener. Over tightening the belt will shorten the life of the belt and the machine may not perform to the best of its ability. To adjust belt tensioner, loosen bolt holding tensioner. Bring
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ADJUSTMENTS CASTOR WHEELS The castor wheel height spacers are quick spacers meaning they have a slot cut out of them. The castor fork shaft has two flats on it near the bottom. To re- move the quick spacers (A) lift up on the castor wheel (C) and remove lynch pin (B). Let the castor wheel come down some, take the quick spacer up and turn it until you feel the flats on the shaft then pull out. This removes the spacers below the castor arm (D), reverse the procedure to add spacers. The thin quick
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Diagrams HYDRAULIC DRAWING HYDRAULIC SCHEMATIC 12
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HYDRAULIC PARTS LIST REF# PART# DESCRIPTION QUANTITY 1 72-079 Suction Hose 2 1 2 18-276 Tee Fitting 1 /4 1 3 72-146 Filter 1 60-334 Filter Element (replacement only) 1 4 72-096 Hydraulic Tank 1 5 34-058 Swivel Tee 1 6 72-065 Hydraulic Hose 1 7 72-040 Cylinder 1 72-040-01 Seal Kit 1 72-040-02 Pin with Clips (part of 72-040) 2 8 72-064 Hydraulic Hose 1 9 72-070 Hydraulic Hose 1 10 72-071 Hydraulic Hose 2 11 10-187 Hydraulic Cylinder 1 14-273 Seal Kit 1 12* 72-187 Hydraulic Motor (Thatch Reel) 1 72
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Parts BIG VAC MAIN DRAWING 14
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BIG VAC MAIN PARTS LIST REF# PART# DESCRIPTION QUANTITY 1 3 1 HCP-12-175 Clevis Pin /2 x 1 /4 2 1 HP-18-100 Cotter Pin /8 x 1 2 2 72-110 Hopper Chute 1 3 72-111 Middle Chute 1 4 72-108 Reel Lift Cross Bar 1 1 1 HB-12-13-125 Bolt /2 - 13 x 1 /4 2 1 HNTL-12-13 Lock Nut /2 - 13 2 5 72-081 Vacuum Housing 1 6 72-109 Blower Chute 1 7 72-096 Hydraulic Oil Tank 1 5 3 8 HST-516-18-075 Truss Head Machine Screw /16 - 18 x /4 6 9 72-143 Front PTO Cover 1 78-274 Cage Nuts 6 10 72-055 PTO Shaft 1 3 11 78-244
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Parts CONTROL PANEL DRAWING 16
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CONTROL PANEL PARTS LIST REF# PART# DESCRIPTION QUANTITY 1 72-120 Adjustment Leg 1 3 1 2 HB-38-16-250 Bolt /8 - 16 x 2 /2 3 3 HNTL-38-16 Lock Nut /8 - 16 3 3 72-121 Control Panel Leg 1 1 4 HB-14-20-200 Bolt /4 - 20 x 2 2 1 HW-14 Washer /4 2 1 HNFL-14-20 Flange Whiz Lock Nut /4 - 20 2 1 1 5 HB-14-20-150 Bolt /4 - 20 x 1 /2 3 1 HW-14 Washer /4 3 1 HNFL-14-20 Flange Whiz Lock Nut /4 - 20 3 6 72-151 Hydraulic Valve 1 7 72-095 Control Panel 1 72-054 Decal, Control Panel 1 8 78-418 Bent Handle 2
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Parts OIL TANK DRAWING 18
