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MAGNATRAC RT1150 Operator / Technical Manual Download Page 55

 

Step 14: 

Your tensioning procedure should now 

be complete. 

 

CAUTION:

 Lower the machine down to 

the ground safely, making sure no by-
standers are in the area. Take care that 
none of your extremeties are below any 

part of the tractor. 

 
Test drive the machine in a well ventilated 
area, and make any needed adjustments.

 

 

 

CENTER IDLER SYSTEM 

 

If you purchased a Center Idler System Up-
grade from the factory, both idlers and 
greasable axles on each side of the machine, 
have been fully assembled and lubicated at 
the factory. The following steps are for cus-
tomers that have added center idlers at a later 
date. 
 

TIPS:

 Prior to installing your center idler sys-

tem, onto each side of your tractor. 

You’ll 

need to pre-assemble your #4352 L&R 
Idler Frame and Idlers. 

Although, this cre-

ates more weight to lift in the assembly, this 
does make the process easier. We also ad-
vise to follow the procedure for loosneing your 
tracks shown on pages 48 & 49 prior to start-
ing this process. This makes access to the 
area, much easier.   

 
Step 1: 

Identify the #4352R and #4352L Idler 

Frames by placing them upside down as 
shown in the next picture. The 

bolt hole

 and 

the 

steel angle bend

 should be on the LEFT 

side for the #4352R Idler Frame and on the 
RIGHT side for the #4352L Idler Frame. 

 
Step 2: 

Install (3) #706 O-rings into each side 

of the #4351 Idler. The O-rings should rest 
against the inside brass bushing. (See picture 
below).  

Note: Lubricating these O-rings 

with a light coating of motor oil or another 
lubrication will help in the assembly 
process. 

Do the same to the other #4351 

idlers. (You should be using 6 O-rings per 
each idler. 3 for each side.) 
 

 
Step 3: 

Take a #4354 Center Axle and slide it 

through the LEFT collar as shown below. 
Next, add (2) #242 Shim Washers, then slide  
your axle through the #4351 Idler, then add 2 
more #242 Shim washers on the other side of 
the Idler. Double check that your #706 O-rings 
are still in place. 
 

55

4352R 

Idler Frame 

Assembly

4351

4352R

4351

4354

LEFT

RIGHT

4352R 

Idler Frame 

Assembly

BOLT 

HOLE 

ON LEFT

STEEL 

ANGLE BEND 

ON LEFT

4352R

4351

4354

(2)242

(3)706

LEFT

RIGHT

5/16” Spin 

Lock Bolt 

& Nut

Front Axle 

Plate

5 Nuts

Front Idler

Front of Machine

Summary of Contents for RT1150

Page 1: ...MAGNATRAC RT1150 Operator Technical Manual Struck Corp Cedarburg WI 53012 Copyright 2023 C F Struck Corp All rights reserved Version 01 01 23...

Page 2: ...t safety points and also main tenance tips on how to increase your MAGNA TRAC S life PARKING BRAKE NEVER FORGET to take off your Parking Brake BEFORE you drive away If you fail to disengage the Parkin...

Page 3: ...ains should NOT be lubricated with grease We advise to spray on non detergent aersol Chain Wire Rope Lubricant approx every 50 hours We use CRC brand Grainger Item 2F139 ROLL OVER STRUCTURE AND INCLIN...

Page 4: ...the purchaser To return a Struck Crawler and or attachment for reasons other than defect the purchaser will be financially responsible for an 8 restocking fee and for shipping the Struck Crawler and...

Page 5: ...es 22 Seat Rear Cover Assembly 23 Battery 25 Engine Filters Oil Drain Hose 26 Drive Belt Procedures 27 Hydrostatic Transaxles Fluid Filters and ByPass Valves 33 Hydraulics Attachment Control System 41...

Page 6: ...Serial _____________________________ Ship Date __________________________________ Mail STRUCK CORPORATION W51N545 STRUCK LANE CEDARBURG WI 53012 Phone 262 377 3300 local 877 828 8323 toll free Text 26...

Page 7: ...____________________________ _______ ________________________________________ _______ ________________________________________ _______ ________________________________________ _______ ________________...

Page 8: ...lly on rough ground and hillsides Carry the Bucket or Blade as low as possible at all times especially when you work on a hillside or back up a steep hill Do not drive too close to the edge of a ditch...

Page 9: ...mable material Shut off the Engine when refueling Use care in refueling if the Engine is hot Do not use open pans of gasoline or diesel fuel for cleaning parts Use good commercial nonflam mable solven...

Page 10: ...ng across starter so lenoid terminals Crawler may start and move if normal circuitry is bypassed CAUTION Never start Engine while standing on ground Start Engine only from operator s seat with Brake e...

Page 11: ...he Operator s Manual furnished by the en gine manufacture and included with your Crawler instructions A LEFT TRACK CONTROL B RIGHT TRACK CONTROL C THROTTLE CHOKE CONTROL ITC D HEADLIGHT if equipped E...

Page 12: ...rn sharply right push forward on Left Track Control while holding Right Track Control in neu tral TURNING LEFT To turn sharply left push forward on Right Track Control while holding Left Track Control...

Page 13: ...rning off tractor move Throttle Choke Control handle to the ON SHUT OFF position D HEADLIGHT SWITCH If equipped The Headlight Switch is a basic Pull ON Push OFF switch Behind the dash in the wiring ha...

Page 14: ...lt and behind inside face of Carriage Bolt To disengage Parking Brake reverse the above procedure and allow Brake Handle to rest down ward As the Parking Brake is also your emergency brake it s extrem...

Page 15: ...correct starting and stopping procedure Sit in the Operator s Seat PREPARE FOR ENGINE STARTING 1 Allow Left A and Right B Track Controls to assume their natural spring loaded center neu tral positions...

Page 16: ...ing fumes and never run the Engine in a closed building or confined area NOTE Assembled Crawlers are run in under no load at the factory to properly break in their transaxles TRAVELING Disengage Parki...

Page 17: ...Throttle Choke Control to low ON SHUT OFF 6 Turn Ignition Switch to Off IMPORTANT If Engine stops under load remove load Start Engine immediately Run 30 seconds at half speed before adding load CAUTIO...

Page 18: ...or general use TRANSAXLE OIL Check enclosed Transaxle Manual and closely fol low their recommendations Typically an engine oil with a minimum rating of 9 0cSt 55 SUS at 230 F 110 C and an API classifi...

Page 19: ...ded Engine Oil Check engine oil level before use to make sure oil level is at acceptable level on the dipstick Add additional if needed Fuel Add fuel to fuel tank per engine manual specs Unleaded 86 o...

Page 20: ...pass valves If first 100 hour service an initial transaxle oil filter change at 100 hours is advised See service section of this manual transaxle Service Repair Manual 300 HOURS 300 HOURS Drive Belt C...

Page 21: ...tions for your engine STARTER IMPORTANT Don t operate starter switch longer than 10 seconds at a time If engine does not start within 10 seconds wait 60 seconds before trying to start again After a fa...

Page 22: ...its 1674 Seat Mount ing Bracket Then remove the electrical connec tors attached to each of the 4560 Seat Switch s two terminals See pictures on the next page for assistance with removal 1 By pushing d...

Page 23: ...rd and lift up to remove 5 Remove the two 1866 threaded Knobs on front lower edges of 1608 Cover Slide the Cover rearward and remove Seat Re Assembly To replace your Seat Assembly reverse the steps ab...

Page 24: ...above are not met replace Parking Brake Switch If both condi tions of procedure 1 are met but the conditions of procedure 2 3 are not met you must adjust the horizontal location of the 441 Switch in i...

Page 25: ...fully charged BATTERY MAINTENANCE 1 Remove corrosion from terminals with a stiff non metallic brush 2 Maintain protective cover on positive ter minal of battery 3 Replace battery approx every 3 years...

Page 26: ...ANT Don t operate ignition starter switch longer than 10 seconds at a time If engine does not start within 10 seconds wait 60 seconds be fore trying to start again After a false start do not turn star...

Page 27: ...ver wire connections are on the driver s left hand side DRIVE BELT TENSIONING REMOVAL REPLACEMENT Your RT1150 is equipped with a 004520 Oil Heat Resistant Hi Power II Double V Drive Belt This drive be...

Page 28: ...n with socket and wrench have 1 person hold the nut from the underside of the body pan while another per son loosens but doesn t remove the bolt from the top You should not need to remove any front co...

Page 29: ...g nuts PICTURE BELOW The nuts are on the un derside of the raised body pan Note Using ratchet extension with socket and wrench have 1 person hold the nut from the underside of the body pan while anoth...

Page 30: ...r in the area shown Make sure the pry bar sits firmly between the hydraulic pump mount and the engine stand Be careful not to damage the engine wiring etc Step 10 Pushing forward on the top of the pry...

Page 31: ...ulley Step 17 Loop drive belt over and onto each transaxle pulley as shown in the picture below Note Make sure the belt is under the left and right drive handles Step 18 While making sure the belt is...

Page 32: ...out on the tensioning that the pump mount can provide you can move the pump on the pump mount Please speak with a Struck Technician for as sistance with moving the pump on the pump mount It may be ea...

Page 33: ...nsaxle Service Repair Manual WARRANTY Please contact our technical support team 1 877 828 8323 if you feel you have a transaxle in need of warranty service 1 Use of components for purpose of repair ot...

Page 34: ...procedure can be performed with the transaxles installed and the MAGNATRAC on a level workspace Apply the bypass valve for each transaxle and engage the MAGNATRAC parking brake WARNING Before draining...

Page 35: ...r jack allowing the rear of the machine to be fully supported by the two cement blocks Remove the floor jack at this time See the picture at the top of the next column Step 6 The full weight of your m...

Page 36: ...axle Oil Filter 004519 1 Step 12 Continuing to follow the Transaxle Serv ice Manual Step 4 on page 11 Install the NEW Transaxle Oil Filter 004519 1 by hand Turn 3 4 to 1 full turn after the filter gas...

Page 37: ...ved in order to accomplish this task The pic ture on the top of the next column shows the parts involved This process is also used if you want need to tow the machine at a max of 2 mph without engine...

Page 38: ...ive after short term operation 3 High operation temperature and exces sive expansion of oil Before starting the steps below make sure the transaxles are at the proper oil level If it is not fill to th...

Page 39: ...lapper down ward at this time See picture below Step 7 With the bypass arms closed from your previous steps enagage your MAGNA TRAC brake lever to start the engine Start the unit Step 8 Disengage the...

Page 40: ...n when the operator releases the track control handles Control A B If you notice that your track drive handles do NOT return to exact neutral when you release them do not be alarmed Due to our design...

Page 41: ...This whole system is powered by the drive belt If your drive belt is slipping or your tank is low on fluid or you have a loose suction line you will no tice that your attachments will behave erratica...

Page 42: ...les back and forth approx 5 times to relax all cylinders See picture below Backhoe valve NOT shown Step 4 Place an oil drain pan or a clean 5 gallon pail enough to hold approx 4 gallons near the right...

Page 43: ...ainer during Step 9 Step 12 Thread the strainer back into the tank Tighten using an adjustable crescent wrench or a ratchet with a 1 1 2 socket Note Make sure this connection is tight If loose hydraul...

Page 44: ...air in the system comes out of the oil tank breather Step 1 Make sure no bystanders are in the area and that your work area is well ventilated Engage your parking brake and start the unit up Set the...

Page 45: ...rive sprockets sprocket hubs may look different from the ones shown in the next few pages but the rear drive chain tensioning procedure will be the same For clarity purposes the pictures show the trac...

Page 46: ...ds See above Step 6 Now work back to the outside of the ma chine Using a cordless impact driver or ratchet with 3 4 socket and 3 4 wrench loosen Outer nuts on both sides of the machine until they are...

Page 47: ...oroughly lubricate your Drive Chains at this time if you did NOT do it earlier in the process Replace Seat Assembly Arm Rests and Rear Cover and close Hood secure all with 1866 threaded Knobs Note Ski...

Page 48: ...1805B Connecting Link Secure each Link with Plate and lock with Clip Note When installed the pins of each master connector link should point towards the center of the machine See above Step 6 To tens...

Page 49: ...re by driving Crawler onto a firm level surface Shut off Engine and dismount do not engage Parking Brake Lever From below support body of Crawler so the Tracks clear the ground by approximately 2 and...

Page 50: ...t the top of the next column Your front idlers should have moved rearward during Steps 1 7 Both tracks should now be loosened To re move your tracks continue onto the next sec tion below REMOVING THE...

Page 51: ...is not possible continue to support the Lower Strand by 2x4s Continue working until tracks have come Up Over the front idler and look like the picture below WARNING Do not start the unit allow anyone...

Page 52: ...u have ques tions please call the factory and ask to speak with a struck technician regarding any additional ques tions or concerns that you may have Once happy with the track seating please repeat th...

Page 53: ...both sides of the machine approx turning the bolt 5 times See above Do both Inner bolts Step 5 Now work back to the outside of the ma chine Using a cordless impact driver or ratchet with 3 4 socket a...

Page 54: ...ts that connect the cen ter idler frame to the track expander Do the same to both sides of the tractor If installed on your machine See picture in the next column Step 12 Hand thread then using a cord...

Page 55: ...kes access to the area much easier Step 1 Identify the 4352R and 4352L Idler Frames by placing them upside down as shown in the next picture The bolt hole and the steel angle bend should be on the LEF...

Page 56: ...olts and nuts that you removed from your body wall above Bolts 3 and 4 are new 3 8 Bolts and Nuts Having a helper avail able in this process to hold the assembly up and spin on the nuts will make the...

Page 57: ...Expander and the 4352R Idler Frame Assembly Making sure the openings are towards the bottom of the shims when dropping them in See picture above Step 13 Drop in from above additional 4353 Shims on bo...

Page 58: ...ing harness Verify that the wiring is in good condition Engine cranks but won t start or starts and stops running right away Make sure the fuel shut off is turned on Verify the battery is fully charge...

Page 59: ...his manual Hydraulic oil is overflowing from the oil breather Check the level of the oil in hydraulic tank level when full should be showing on the oil sight window Check the rating of your 3rd party...

Page 60: ...Bypass assembly sticking Repair or re place linkage page 9 of the transaxle man ual Air trapped in hydraulic system Purge hydraulic system page 12 of the transaxle manual Brake partially engaged Disen...

Page 61: ...fficient work procedures for a compact crawler tractor equipped with optional attachments loaders backhoes blades etc Each MAGNATRAC operator encounters dramatically different working conditions than...

Page 62: ...l hit bottom when the wheels on ei ther end are driven over a drop off In most cases this will stop vehicle motion and give immediate warning A tracked Vehicle however will continue on without any war...

Page 63: ...AIN Vehicle stability on a hill for example is determined not only by the general slope of the hill but also by terrain conditions rocks ditches logs drop offs etc and by the nature of the hill surfac...

Page 64: ...ER OBSTACLES WILL CAUSE A TRACKED VEHICLE TO TIP OVER SAFETY WANING OBSTACLES SOME OF WHICH MIGHT BE DRIVEN OVER SAFELY WHILE ON LEVEL TERRAIN CAN CAUSE A HAZARD WHILE OPERATING ON SLOPES DROPOFFS Thi...

Page 65: ...e gravel can also be dangerous It is possible to slide into a tree or rock or to slide off the edge of a cliff SAFETY WARNING REGARD ALL OPERA TIONS ON SLOPING TERRAIN AS HAZ ARDOUS PARKING THE VEHICL...

Page 66: ...ry the load without spillage fully roll the bucket back after filling and before moving the unit NOTE Do not attempt to lift bucket loads in excess of loader capacity PEELING AND SCRAPING USe down pre...

Page 67: ...e load keep the bucket as low as possible to resist tipping in case a track drops in a rut DUMPING THE BUCKET Lift the bucket high enough to clear the side of the ve hicle Move unit in as close to the...

Page 68: ...E Initially approach the stockpile with the bucket approx imately to feet 609 6 mm off of the ground Lower the bucket to ground level when the stockpile height has been reduced so the bucket will brea...

Page 69: ...banks as low as possible for maximum efficiency Remember that loader lift and break away capacities diminish rapidly as loading height is increased BREAKING AND SPREADING LARGE PILES Side cutting is...

Page 70: ...here they will be used If soil is excessively hard loosen it with a ripper or plow The re maining ramp can be cut out with either a backhoe or by hand When regular loading tools are not available it i...

Page 71: ...terial over the side of the cut 9 D 2 Working from Side only A short wide shelf may also be cut in a hillside work ing from the side only as illustrated below The first cut A is made parallel to the h...

Page 72: ...low or rip the area prior to dozing BACKFILLING Angling blade bulldozers are excellent for backfilling ditches as they can drift material into the trench while maintaining forward motion With straight...

Page 73: ...tors Always have a plan of operation When dropping down a steep hill or over the side of a fill use blade for a brake When traveling carry the blade low This practice helps protect drivetrain and othe...

Page 74: ...can balance Effective counterweight is the weight of the tractor from the stabilizer pads to the loader Set the stabilizers to remove weight from the rear track wheels The tracks are to remain touchi...

Page 75: ...ket are in position to resume digging upon return to the trench IMPORTANT Avoid constant jarring or hammering type contact between the spoil pile and the loaded bucket as this may cause premature wear...

Page 76: ...ENCHING Dig with the backhoe uphill whenever possible Level the backhoe on slopes with the stabilizers to dig plumb trenches or use the backhoe or loader to cut a level slot for the uphill track and s...

Page 77: ...and the stabilizers The platform distributes the load over a larger area and lessens the possibility of a cave in The platform also tends to keep the unit from creeping rearward if hard dig ging is e...

Page 78: ...e close end wall PIPELINE LEAK REPAIR Locate the pipeline with a bellhole about six feet 182 cm wide and tenn feet 304 cm long Then dig length wise along the pipeline to locate the leak When the leak...

Page 79: ...backing up may be necessary to clear the blade so it can always cut cleanly Otherwise the blade will slide over root and accomplish little Heavier trees and brush require more car and time to uproot F...

Page 80: ...me Track spinning is wasted effort TRANSPLANTING When transplanting trees of suitable size place bucket under the dirt ball and lift it to a new site securing the trunk to the bucket When the tree is...

Page 81: ...ock doesn t move something is holding it Before proceeding find cause and remedy it to prevent machine damage Many rocks such as shale and sandstone are found in tipped position Always dig under the o...

Page 82: ...82 C C h 9 a Y h5 L5 h w h5 L5 D L5 h5 I b L I bt I t w Y D I t L h5 L5 a C I a I CLb 5wL 9 L5 h5 a a t D D h aa h 5 I w 9 5 t t Y w L w L w w L v w Item Description Qty 10 PARTS LISTING DIAGRAMS...

Page 83: ...t t t a w a C a I 9 D t I 9 D tw 9 I 9 D h w b 9 9C w w b 9 wLDI I t LL 5 D b t t a t Y t 5 bt a bt C a I C 5 9 9 D I D t I w C C h 95 t h C t I I D C wI w L L I t t L5 w W w 9 wI I Item Description...

Page 84: ...h I tLb h Y h h I9 I5 D h t w9 h D ww h D h 59 w 59 Chw I9 w D t a t t a I h L a t t a h a 9bDLb9 hL w b 9 hL b I9 b Lb 9 99 b D I b b b hb h Y b b tLb h Y b b b hb h Y b b I b b tLb h Y b b 5h h Y b...

Page 85: ...50 Engine Oil Drain Area Parking Emergency Brake Engine Exhaust Front Loader Bucket Rear Weights Other Items Optional Optional CI40 Center Idler Upgrade Optional Battery Box Cup Holder Attachment Cont...

Page 86: ...Bolts for Rear Drive Chain Adjustment Holes for Seat Ignition Photo RT 2 MAGNATRAC RT1150 Overview Close Up Views Hydraulic Tank Fill Tank Breather Hydraulic Tank Drain Hydraulic Oil Sight Window Hou...

Page 87: ...48 1718 Valve Cover Rubber Track 4562 Seat 4330 Ball Handle 4617 Headlight 4349 Front Idler Rear Drive Sprocket 4350 1722A Valve Handle 1866 Threaded Knob 904 Non Skid Pad 4598 Expansion Tank 4515 Hon...

Page 88: ...88 Photo RT 5 MAGNATRAC RT1150 Throttle Rear View Photo RT 6 MAGNATRAC RT1150 Wiring Back of Dash 447 Headlight Switch Ignition Switch 444 4641 4640 Throttle Wire Throttle Outer Case 290 Female Plug...

Page 89: ...re Inlet Tank Return Strainer Filter Breather Fill Oil Sight Window Tank Drain Tank Return Note If backhoe is purchased your pump Pressure Line 4643 will go to the back hoe valve instead of the Attach...

Page 90: ...otor Voltage Regulator Seat Switch Ground Ground Negative Positive Starter Solenoid 444 441 4560 4515 4617 447 1800 4 442 Engine Block Ground Spark Plug 4625 4670 Wiring Harness Does NOT include posit...

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