Instruction/ maintenance manual of the product 985108 Gravely
Go to page of 44
Ser vice Man ual Models 985103,104, 105, 107 - 115, 117 Pr of essional 2-Wheel T ractor 08483800 08/00 Printed in USA.
2 Section 1 - Introduction . . . . . . . . . . . . . . . . . . . 1-3 1.1 The Manu al . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.2 Serv ice And Rep lacement Parts . . . . . . . . . 1-3 1.3 Produc t Registration . . . . . . . . . . . . . . .
1 -3 1.1 THE MANUAL The purpos e of this ma nual is t o provide c omplete instruc tions for ser vice, mai ntenance, disassemb ly , repair , a nd instal lation of the mecha nical comp onents for the unit.
2 -4 1.7 PREP ARATION Before s tarting any removal o f parts, p roper preparatio n is very impo rtant for efficient work. A clean work area at the start o f each job will all ow you to perform s ervice repai rs easily and quick ly .
2 -5 Learn the locatio n and func tion of all controls. Learn ho w to use the controls to stop the whee ls and attach ment quic kly in an e mergenc y . Understa nd and follow each dang er , warnin g, caution and instr uction dec al insta lled on th is product.
3 -6 SECTION 3 - SPECIFICATIONS Model Nu mber 985103 985104 985105 985107 Description 8HP Gear Drive 8HP Gear Drive 8HP Gear Drive 12 HP Gear Drive Brakes Optional, individual, 7" (17.
3 -7 Model Nu mber 985108 985109 9851 10 9851 1 1 Description 12HP Gear Drive 16HP Gear Drive 8HP Gear Drive 8HP Gear Drive Brakes Optional, individual, 7" (17.
3 -8 Model Nu mber 9851 12 9851 13 9851 14 9851 15 Description 12 HP Gear Drive 12 HP Gear Drive 16 HP Gear Drive 8.5 HP Gear Drive Brakes 7 x 1.75" Drum Type N/A Steering Manual, optional power steeri ng kit available T urning Radi us Zero (with steering kit) Minimum Uncut Circle Zero Optional T ire Sizes -Stud T read 4.
3 -9 Model Nu mber 9851 17 Description 13.5 HP Gear Drive Brakes 7 x 1.75" Drum T ype Steering Manual, optional power steering kit available T urning Radi us Zero (with steering kit) Minimum Uncut Circle Zero Optional T ire Sizes -Stud T read 4.00"-8" -T rac T read 4.
4 -10 4.1 CONTROLS AND FEATURES 4.2 FILLING THE FUEL T ANK Add fu el to the fu el tank as needed. See your en gine manual fo r the correc t type and grade of fuel. Put the un it in an op en area. S top the en gine and l ock the brak e. Clean th e fuel cap an d the area around th e fuel cap to p revent dirt from entering the fuel tank.
4 -1 1 4.3 GENERAL LUBRICATION Control Linkage Lubrication Every 2 5 hours of operati on put a drop o f engine oi l on the pivot s of the throttle le ver , the direct ion control leve r , the ge ar shift lev er , the PT O contro l, and ra nge shift handle.
4 -12 • T o adjust th e forward c lutch, pu t the directi on control in the for ward pos ition. Lo osen the c ontrol extension rod rear set of jam n uts on the fwd-rev control rod. Adjus t the forwa rd nut until the larg e spring coils a re .010" (.
4 -13 4.7 PT O BRAKE ADJUSTMENT • Adjust t he PT O brake a fter every 100 hours o f operatio n. • Remove the attachme nt and lower t he rear of the tractor to the ground.
4 -14 4.8 SLIP CLUTCH ADJUSTMENT • Adjust t he slip clutc h after ever y 100 hou rs of operatio n. • Remove the attachme nt and lower t he rear of the tractor to the ground.
5 -15 5.1 ENGINE T ROUBLESHOOTING The followi ng troubles hooting c hart is to b e used to isolate engine probl ems and give pos sible causes and corr ectiv e act io n re sp onse s. The trouble shooting key is generic and can be us ed for sever al types of e ngines.
5 -16 5.2 CHE CKING ENGI NE OIL Check the engine oi l daily prior to u se. IMPORT ANT : Never opera te the engi ne with the oil below the l ow mark on the dipstick . See th e engine m anual for oil spe cification s and oil filter s ervice i nstruct ions.
5 -17 5.5 ENGINE REMOVAL AND INSTALLATION 1. Remove gr ound cable from batte ry . 2. D rai n T ransmis sion oil . 3. T urn off fuel at fuel tank . Remove fu el line fro m fuel pump. 4. R emo ve the choke cabl e fr om ca rbur eto r . 5. Remove the throttle cable from the link age.
6 -18 6.1 HANDLEBAR ASSEMBLY 1. On Swift amatic trac tors, disc onnect the c otter pin that holds the Swiftama tic control l ever to the shifter weldment. D isconnect the extens ion sprin g from the c ontrol lever and s lide the control lever rearward u ntil it stop s agains t the inst rument pan el.
6 -19 6.2 STEERING BRAKES (OPTIONAL) The steering b rake is des igned to st op one wheel f rom rotating . The opposite wheel co ntinues to driv e forward and the uni t pivots on the stoppe d wheel. Connect th e adjustm ent bracke t to the cam lever arm with a cl evis pin.
6 -20 Fasten the i nstructio n plate an d the brake h andle brackets to th e rear hitch with the 1/2-1 3 x 2.00 bolts and 1/2" l ock nuts. Right Side Instal la tion: 1. Raise and block the r ight side o f the trac tor . 2. Unbolt the tire assem bly from th e wheel hub and remove.
6 -21 1 1. Put a film of gr ease on th e axle spline s. Slide the wheel hub on the axl e followed by a flat was her and lock nut. Tighten the nut to a torq ue of 80 f t.-lb. (108 Nm). Tighten the set s crew . 12.Mount th e tire ass embly to t he wheel hu b.
6 -22 6.4 POWER T AKE OFF CONTROL 1. Thread ja m nut onto PTO shaft (s upplied). Th read ball joi nt (suppli ed) onto PTO shaft unti l overall length of shaft an d ball jo int is 1 7.00 inch es, Figure 16 . 2. Install r od/ball joint as sembly onto tractor , Figure 15 .
7 -23 7.1 T RANSMISSION T R OUBLE ANALYSIS The followi ng troubles hooting c hart is to b e used to isolate hydro tran smissi on problem s and g ive possi ble causes and correcti ve action r esponses . The trouble shooting key is generic and can be us ed for sever al types of transm issions.
7 -24 Before ass uming tha t internal transm ission problems exist, c heck all e xternal linkage . Inspect the shifti ng linkage beginnin g with the con trol lever and work towards the transmis sion. Chec k for bindi ng. Look fo r broken or miss in g cotte r pin s and shear ed keys .
7 -25 T o avoid da mage to the rear pin p late bush ing, it is not recomm ended that p lanetary s ystem be fur ther disass embled un less de finite pr oblems e xist. If an unre asonable amount of p lay is notice d in the syste m: 1. Inspect o rbit gear p ins and bus hings for w ear .
7 -26 10.Remove the differenti al assembl y from th e tractor . 1 1. Us ing wire cutters, r emove wir e securi ng bolts on each si de of worm gea r . Sec ure differential assembl y upright i n vise. ( 4 Speed Sw iftamatic only). 12.Remove bolts s ecuring cl utch housi ng to worm gear .
7 -27 18.Instal l the pinn ed gear and d ifferential ge ar on the pinned h ousing a nd insta ll it on th e worm gear . Use new drilled bo lts (4 Spe ed Swiftama tic); clean b olts and apply a stud l ocking pr eparation to the bolt threads. T orque bolts to 1 7-20 ft-lbs (23 - 27 Nm) 19.
7 -28 23.Plac e equal am ount of shims and a sh ellacked gasket o n each axle housing. Install L .H. axle housing and differen tial assem bly in trac tor . Se cure axle hou sing to trac tor . 24.Instal l R.H. axle housing on tractor , being sur e the shifting clutch fits on the sh ifting gea r .
8 -29 8.1 FUEL SY STEM T R OUBLESHOOTING The followi ng troubles hooting c hart is to b e used to isolate fu el system prob lems and gi ve possible c auses are corr ective a ction resp onses The trouble shooting key is generic and can be us ed for sever al types of transm issions.
8 -30 8.2 FUEL P UMP The impuls e style fuel pump is the mo st commo nly used fuel pump. Impu lse fuel pum ps may e ither be mounted ex ternally onto the ca rburetor f uel inlet or remotely mounted. These pumps a re conne cted in th e fuel line between the fuel supply and the c arburetor or directly to the fuel inlet.
9 -31 9.1 T OOLS There are s ome spec ialized tools and te st equipm ent that are n eeded for electrical r epair wor k. A brief descripti on of these fo llows. Long or needle nose pliers - us ed to connect or bend wires a nd connectors in clos e quarters.
9 -32 V oltage Measurement There are two basic rul es to be rem embered when using a v oltmeter . A voltme ter measur es the volta ge difference betwee n the te st leads and the voltm eter is always con nected ac ross the circ uit under te st.
9 -33 7. Replace t he vent caps . It is no t necessary to tighten mo re than fi nger tight. 8. W a sh off the battery to rem ove electrol yte which may hav e spille d.
9 -34 Specific Gravi ty Check The specif ic gravity should b e checked wi th a hydrome ter . NOTE: The specif ic gravity s hould be ch ecked in each cell an d sho uld be the sam e for al l ce lls. A variation in a cell r eading co uld be an indicati on of a pr oblem.
9 -35 gravity . Befo re reinsta lling the battery in the spring, it should a lways be fully rechar ged. 9.5 SW ITCHES Switches either ope n a circuit to stop cur rent flow or close a nd allow cur rent to flow through.
9 -36 If a rel ay or sol enoid fails to o perate, t he cau se may be either e lectrical or mechanic al. T o ch eck elec tric ally , conn ect a v oltmeter acro ss the coil of t he device a nd activ ate the circui t that oper ates the r elay or so leno id.
9 -37 9.9 WIRING DIAGRAM 1 2 3 4 5 6 7 8 9 10 1. Steering Brak e Harness 2. Handleba r Wiring Harness 3. Swi tch 4. Sole noid 5. Wiring Harnes s 6. R elay 7.
9 -38 9.10 CONTINUITY DIAGRAM OFF M G S2 B S1 A RU N M G S2 B S1 A ST ART M G S2 B S1 A Ke y Switch (03602300) DISENGA GED (button in) Handlebar Switch (08828300) 1 2 HAND ON HANDLE 1 2 HAND OFF HANDL.
9 -39 9.1 1 12 HP ELECTRIC START - KOHLER.
9 -40 9.12 8 HP MANUAL STAR T - KOH LER.
9 -41 9.13 8 HP ELECTRIC START - KOHLER.
9 -42 9.14 16 HP ELECTRIC START - BRIGGS.
9 -43 9.15 ROBIN ENGINES.
Gravely A divisi on of Ari ens Co mpany 655 W est Ryan Street P .O. Box 157 Bri llion , WI 54 1 1 0-015 7 920-756-2 141 Fax 920-7 56-2407 www .gravely .
An important point after buying a device Gravely 985108 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Gravely 985108 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Gravely 985108 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Gravely 985108 you will learn all the available features of the product, as well as information on its operation. The information that you get Gravely 985108 will certainly help you make a decision on the purchase.
If you already are a holder of Gravely 985108, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Gravely 985108.
However, one of the most important roles played by the user manual is to help in solving problems with Gravely 985108. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Gravely 985108 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
