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OPERATION

PRE-STARTING INSPECTION

Before you start your Crawler for the first time
each day, perform the following checks:

ENGINE COMPARTMENT

Check oil level.
Check air intake system.
Check fuel filter.
Remove trash and oil/dirt deposits.

TRACKS, ATTACHMENTS, SHEET METAL

Check for bent, broken, or missing parts.
Check Track Springs.

HARDWARE

Check for loose or missing parts.

ELECTRICAL SYSTEM

Check  for  worn  or  frayed  wires  or  loose
connections.

LUBRICATION

Check lubrication points shown in Periodic 

Service section of this Manual.

GUARDS AND SHIELDS

Check for tightness and condition.

BATTERY COMPARTMENT

Remove trash.
Check cables for tightness and corrosion.

FUEL TANK

Check fuel level.

OPERATOR'S STATION

Check control levers for free movement.
Clean fenders and instrument panel.
Adjust Seat location to fit operator.

CAUTION - Before you start the engine:

Clear the work area of people and obstacles.

Check the condition of the Crawler. (Pre-
start inspection).

Be sure there is enough ventilation.

Be sure to know the correct starting and
stopping procedure.

Sit in the Operator's Seat.

PREPARE FOR ENGINE STARTING

1. Allow Left and Right Track Controls to assume

their  natural  spring-loaded  center 

n e u t r a l

positions.

2. Make sure Brake Lever is pushed fully forward

and drawn in toward the operator until Lever

locks

behind "tab".

3. Check that all Attachments are in the fully

lowered position.

4. Make sure you are properly seated so Seat

Switch will engage.

STARTING

1a. 

Cold Engine

- Place the Throttle Control

midway between the 

Slow

and 

Fast

positions.

Place the Choke Control into the 

On

(fully 

choked) position.

1b. 

Warm Engine

(normal operating temperatures)

- Place the Throttle Control midway between the

S l o w

and 

F a s t

positions.    Place  the  Choke

Control into the 

O f f

(no choke) position.

NOTE

: After starting a "cold" Engine, it may be

necessary to leave the Choke partially On for
a few minutes before moving it to the Off
position.

2. Activate the Key Ignition Switch by rotating the

key clockwise until starter engages.  Release
the key as soon as the Engine starts...Switch
will return to the Run position.

C A U T I O N

:  Do  not  crank  the  Engine

Summary of Contents for MD750

Page 1: ...racks into the pile and force unnecessarily large amounts of material into the Tracks The track system is designed to absorb a great deal of material but the less you force it to digest the greater wi...

Page 2: ...CATION and PERIODIC SERVICE 11 Lubrication and Service Intervals Periodic Service Chart SERVICE 13 Engine Starter Battery Safety Interlock Switches Seat HC55 Switch Test Main Drive Clutch Brake Switch...

Page 3: ...ne Model Number ________________ Engine Serial Number ________________ C F STRUCK CORPORATION W51 N545 STRUCK LANE CEDARBURG WISCONSIN 53012 Phone 262 377 3300 Fax 262 377 9247 Version 01 01 03 TO THE...

Page 4: ...ossible 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 or excavation Watch for overhead wires Do not touch wires with any par...

Page 5: ...r battery Never check fuel battery electrolyte or coolant levels with an open flame Never use an open flame to look for leaks anywhere on the equipment Never use an open flame as light anywhere on or...

Page 6: ...ts and warning labels A EMERGENCY SERVICE BRAKE LEVER B LEFT TRACK CONTROL C RIGHT TRACK CONTROL D THROTTLE CONTROL E CHOKE CONTROL F IGNITION SWITCH G OIL TEMPERATURE METER H HOUR METER I AMMETER J A...

Page 7: ...her instructions RELEASING SEAT PAN Release the seat latch on the front center of the the seat pan assembly 1 Rotate the Seat Cover Assembly 2 all the way to the rear until it hits its stop back edge...

Page 8: ...MMETER Measures electrical charge or discharge to battery If Ammeter shows a discharge increase throttle until unit indicates charging If at higher throttle level unit fails to indicate charging shut...

Page 9: ...e there is enough ventilation Be sure to know the correct starting and stopping procedure Sit in the Operator s Seat PREPARE FOR ENGINE STARTING 1 Allow Left and Right Track Controls to assume their n...

Page 10: ...ain TRAVELING Hold Brake Lever fully forward then push outwardly to unlock it from behind its tab or bolt Slowly release pressure on the Lever allowing it to come back to its rearward position Raise a...

Page 11: ...Engine stops under load remove load Start Engine immediately Run 30 seconds at half speed before adding load If Engine stops you must turn key Off before you can start the Engine In freezing weather...

Page 12: ...L Check enclosed Engine Owner s Manual and closely follow their recommendations HYDRAULIC OIL Use a premium quality hydraulic oil with maximum anti wear properties rust and oxidation treatment like Mo...

Page 13: ...in Front Idler and Rear Drive Assemblies Remove zerks try to have them on the top side Using an oil can with SAE 30 motor oil fill each reservoir through threaded hole do this at day s end to allow o...

Page 14: ...replace with new Tracks and Track Sprockets Remove and pressure wash Track Pressure wash Front Idler and Rear Drive Sprockets EVERY 200 HOURS Hydraulic Fluid Completely drain system by removing plug i...

Page 15: ...dealer he s listed in the telephone Yellow Pages under Engines gasoline STARTER IMPORTANT Do not hold down starter button longer than 10 seconds at a time If the Engine does not start within 10 second...

Page 16: ...tch to close and activate the electrical circuits NO or normally open the plunger has to be released for the switch to open and safely deactivate the circuit The plunger of the 1162 Interlock Switch s...

Page 17: ...On 3 Brake Lever unlocked and allowed to travel rearward The Brake Switch should be open the 440 Leaf Spring would have rotated down and away The light of the continuity tester should now be Off If bo...

Page 18: ...wler s body loosen but do not remove the nuts on the twelve 3 8 x 1 Carriage Bolts six on each side of Crawler that secure the 2033 Supports one on each side of body which hold the 2065 Rear Axle TIP...

Page 19: ...make sure Seat Latch catches securely If you have blocked up your Crawler and removed its Tracks replace Tracks and lower Crawler to ground at this time per Track Maintenance section of this Manual...

Page 20: ...entirety before attempting any Disk Brake adjustments Release Parking Brake Unscrew a few turns the 225C Jam Nut on 225R 225L Right Left Disk Brakes to release each Jam Nut s respective 225D Threaded...

Page 21: ...age assemblies as describe above until you reach the approximately 15 lb force level If it takes more than the recommended 15 lbs pressure evenly loosen the clevis on the end of each Brake tension rod...

Page 22: ...s Tracks clear the ground by approximately 2 and are free to rotate release Brake at this time Use solid blocking and place it under the Crawler s body so that it will give the Crawler the greatest su...

Page 23: ...its 262 Tube which should still be in place on Tension Rod Secure each Spring with its original 236 Washer and 1 2 Nut fine thread NOTE Notched edge of 235 Washers should still be pointing in toward...

Page 24: ...ssure that both springs are compressed equally FOOTREST ADJUSTMENT Right Left Footrests L are adjustable in three positions front to rear To adjust remove the three 3 8 Cap Screws holding each Footres...

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