Manitowoc MLC300 Manual
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Manitowoc MLC300 Manual

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Lubrication Symbols ................................................................................................2
General Lubrication.................................................................................................2
Lubrication Intervals ................................................................................................2
Over-Lubrication......................................................................................................3
Lubrication Tips.......................................................................................................3
Water in Hydraulic Oil..............................................................................................3
Oil Can Points .........................................................................................................3
Wire Rope Lubrication.............................................................................................3
Cylinder Rod Lubrication .........................................................................................4
General.............................................................................................................4
Protecting Cylinder Rods..................................................................................4
Hydraulic Quick Disconnect Lubrication ..................................................................4
Environmental Protection ........................................................................................5
Reference Instructions ............................................................................................5
CraneLUBE .............................................................................................................5
Lubrication Points....................................................................................................5
Approved Lubricants for Normal Operation .............................................................6
Grease..............................................................................................................6
Open Gear Oil ..................................................................................................6
Gear Oil ............................................................................................................6
Hydraulic Oil .....................................................................................................6
Hydraulic Filter Replacement ..................................................................................7
Approved Lubricants for Arctic Operation................................................................8
Approved Lubricants for High Temperature Operation............................................9
Fluid Capacities.....................................................................................................10
Upperworks and Lowerworks Lubrication .............................................................12
Prior to Use When the Crane is Assembled ...................................................18
Every 8 Hours of Operation or Daily Continued..............................................19
After First 200 Hours of Operation..................................................................21
Boom Rigging Lubrication .....................................................................................24
Luffing Jib Lubrication ...........................................................................................26
VPC™ Lubrication.................................................................................................28
VPC-Max™ Lubrication.........................................................................................30
Automatic Lubrication System...............................................................................34
Operation ..........................................................................................................34
Daily Inspection.................................................................................................34
Automatic Lubrication System Troubleshooting ................................................35
© 2021 Manitowoc
Published 07-21-21
LUBRICATION GUIDE

TABLE OF CONTENTS

THE ORIGINAL LANGUAGE OF THIS PUBLICATION IS ENGLISH
Model MLC300
F2280-1

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Summary of Contents for Manitowoc MLC300

  • Page 1: Table Of Contents

    LUBRICATION GUIDE Model MLC300 TABLE OF CONTENTS Lubrication Symbols ....................2 General Lubrication....................2 Lubrication Intervals ....................2 Over-Lubrication......................3 Lubrication Tips.......................3 Water in Hydraulic Oil....................3 Oil Can Points ......................3 Wire Rope Lubrication.....................3 Cylinder Rod Lubrication ..................4 General......................4 Protecting Cylinder Rods..................4 Hydraulic Quick Disconnect Lubrication ..............4 Environmental Protection ..................5...

  • Page 2: Lubrication Symbols

    Do not operate the crane until all safety guards and Individual component hours of operation can be viewed on covers have been securely reinstalled and all the display in the cab (see MLC300 Main Display Manual for maintenance equipment has been removed. instructions).

  • Page 3: Over-Lubrication

    MLC300 Lubrication Guide OVER-LUBRICATION Contact your wire rope manufacturer/dealer for lubrication recommendations. The lubrication interval and the type of Over-lubrication is not only wasteful, but also harmful: lubricant used depends on the type of wire rope, the severity of duty, and the type of corrosive elements the wire ropes is •...

  • Page 4: Cylinder Rod Lubrication

    General • threaded surface of female quick disconnect The cylinder rods on Manitowoc cranes have a layer of chrome plating on their surfaces to help protect them from • threaded surface of aluminum caps and plugs corrosion.

  • Page 5: Environmental Protection

    Y—Yearly • Immediately wipe up any spills. REFERENCE INSTRUCTIONS See the MLC300 Service/Maintenance Manual for detailed information on specific maintenance checks and procedures. CraneLUBE Manitowoc highly recommends the use of CraneLUBE l u b r i c a n ts t o i n c r e a s e y o u r c r a n e ’s r e l i a b i l i t y a n d performance.

  • Page 6: Approved Lubricants For Normal Operation

    (0°F), the hydraulic oil must be heated to at least -18°C (0°F) Points Range prior to start-up. Tank heaters are available from Manitowoc. CraneLUBE E.P. # 2 -18°C (0°F) The cloud point of oil selected must be equal to or less than (MCC Part No.

  • Page 7: Hydraulic Filter Replacement

    MLC300 Lubrication Guide HYDRAULIC FILTER REPLACEMENT For instructions, refer to Section 2 of the MLC300 Service/ Maintenance Manual. Hydraulic filter elements on this crane are specially designed to withstand high pressure as the elements fill with dirt. This feature prevents the elements from collapsing.

  • Page 8: Approved Lubricants For Arctic Operation

    Table 3 are recommended for use in Machinery Damage! Manitowoc’s line of hydraulic cranes when operating in an Do not operate the main crane functions (swing, travel, — a r c t i c - t y p e c l i m a t e...

  • Page 9: Approved Lubricants For High Temperature Operation

    Machinery Damage! The lubricants listed in Table 4 are approved for use in Manitowoc’s line of hydraulic cranes when operating in a To avoid damage to crane machinery, switch back to the — high temperature climate climates with an outside standard lubricants listed in the lubrication guide when the temperature between 38°C (100°F) and 50°C (122°F).

  • Page 10: Fluid Capacities

    Lubrication Guide MLC300 FLUID CAPACITIES Always fill each system to the level plug opening or to the specified point on the sight gauge or dipstick. Fluid capacities are approximate and should be used only as a guide for ordering sufficient fluid at oil change intervals.
  • Page 11 MLC300 Lubrication Guide QUICK-DRAIN VALVE The quick-drain valves require the use of the quick-drain drainer assembly which is stored in the Parts Box provided Each of the following components is equipped with a quick- with the crane. drain valve: When the quick-drain drainer assembly is connected to the •...

  • Page 12: Upperworks And Lowerworks Lubrication

    Lubrication Guide MLC300 UPPERWORKS AND LOWERWORKS LUBRICATION FIGURE 5 F2280-12 Published 07-21-21...
  • Page 13 MLC300 Lubrication Guide Under Rear of Rotating Bed FIGURE 6 Manitowoc F2280-13 Published 07-21-21...
  • Page 14 Lubrication Guide MLC300 Drum 4 Drum 2 or 3 without Free Fall FIGURE 7 F2280-14 Published 07-21-21...
  • Page 15 MLC300 Lubrication Guide Drum 2 or 3 with Free Fall Drum 1 Drum 5 Drum 6 FIGURE 8 Manitowoc F2280-15 Published 07-21-21...
  • Page 16 Lubrication Guide MLC300 Engine Components – Cummins QSG12 Engine Item Description Required Service Dipstick Fuel Filter Quick-Drain Valve NOTE Inspect fuel filter (4B) daily while the Service according to the Fuel Filter engine is running. Change the filter engine manufacturer’s...
  • Page 17 MLC300 Lubrication Guide Engine Components – MTU 13000 Item Description Required Service Dipstick Fuel Filter Quick-Drain Valve Service according to the engine Fuel Filter manufacturer’s instructions. Oil Fill Cap Oil Filter Diesel Particulate Filter FIGURE 10 Manitowoc F2280-17 Published 07-21-21...

  • Page 18: Prior To Use When The Crane Is Assembled

    Lubrication Guide MLC300 Upper and Lower Lubrication — Identification Item Description Required Service Prior to Use When the Crane is Assembled Carbody Jack Connecting Pin (1 fitting, top and bottom of each pin, 4 places) (Lowerworks Grease each fitting. Jacking Option)

  • Page 19: Every 8 Hours Of Operation Or Daily Continued

    NOTE 3 Service the suction strainers when See Section 2 of the MLC300 Service/Maintenance Manual the fault alarm comes on and the for hydraulic system servicing procedures. suction pressure icon appears in...

  • Page 20: Every 40 Hours Of Operation Or Weekly (Whichever Comes First)

    Lubrication Guide MLC300 Item Description Required Service Every 40 Hours of Operation or Weekly (whichever comes first) Swing Gear Box Oil Fill and Breather Plug (2 places) Clean each (see NOTE 1). Batteries Check the electrolyte level. Pump Drive Fill Plug Clean (see NOTE 1).

  • Page 21: After First 200 Hours Of Operation

    MLC300 Lubrication Guide Item Description Required Service After First 200 Hours of Operation (see NOTE 1) Swing Gear Box Quick-Drain Valve (1 or 2 places) Drain and refill each with gear oil. Pump Drive Quick-Drain Valve Drain and refill with gear oil.

  • Page 22: Every 200 Hours Of Operation Or Monthly (Whichever Comes First)

    Lubrication Guide MLC300 Item Description Required Service Every 200 Hours of Operation or Monthly (whichever comes first) Swing Gear Box Sight Gauge (1 or 2 places) Check level. Should be at level indicated on decal next to sight gauge Swing Gear Box Oil Fill and Breather Plug (1 or 2 Fill each to proper level with gear oil.

  • Page 23: Every 1000 Hours Of Operation Or Semiannually (Whichever Comes First)

    MLC300 Lubrication Guide Item Description Required Service Every 1000 Hours of Operation or Semiannually (whichever comes first) Hydraulic Tank Quick-Drain Valve Drain and refill with hydraulic oil. Swing Gear Box Quick-Drain Valve (1 or 2 places) Drain and refill each with gear oil.

  • Page 24: Boom Rigging Lubrication

    Lubrication Guide MLC300 BOOM RIGGING LUBRICATION FIGURE 11 F2280-24 Published 07-21-21...
  • Page 25 MLC300 Lubrication Guide Item Description Required Service Prior to Operation Rigging Winch Inspect for oil leaks prior to using. If found, repair and refill unit with gear oil. Boom Butt Fleeting Sheaves (Rigging Winch) (2 Grease. Make sure entire length of both shafts is coated places on Boom Butt) with grease.

  • Page 26: Luffing Jib Lubrication

    Lubrication Guide MLC300 LUFFING JIB LUBRICATION FIGURE 12 F2280-26 Published 07-21-21...
  • Page 27 MLC300 Lubrication Guide Item Description Required Service Prior to Operation Block-Up Limit Switch (1 fitting inside each switch) Grease each. Main Strut Hinge Pin (each bore) Grease each Every 40 Hours of Operation or Weekly (whichever comes first) Weight Ball Swivel (1 fitting each) Grease each.

  • Page 28: Vpc™ Lubrication

    Lubrication Guide MLC300 VPC™ LUBRICATION FIGURE 13 F2280-28 Published 07-21-21...
  • Page 29 MLC300 Lubrication Guide Item Description Required Service Prior to Operation VPC Gearbox Oil Level Sight Glass Check the level, fill with gear oil through fill plug. VPC Gearbox Oil Fill Plug Fill to the proper level with gear oil. VPC Roller Assembly (each roller) Grease each fitting (see NOTE 2).

  • Page 30: Vpc-Max™ Lubrication

    Lubrication Guide MLC300 VPC-MAX™ LUBRICATION FIGURE 14 F2280-30 Published 07-21-21...
  • Page 31 MLC300 Lubrication Guide Item Description Required Service Prior to Operation VPC-MAX Gearbox Level Plug Check the level, fill with gear oil through fill plug. VPC-MAX Gearbox Filler / Breather Plug Fill to the proper level with gear oil. VPC-MAX Roller Assembly (each roller) Grease each fitting (see NOTE 2).
  • Page 32 Lubrication Guide MLC300 LINCOLN LUBE SYSTEMS Item Description Item Description Grease Pump (Crawler - 1 each) Primary Divider Valve (Turntable) Grease Lines to Secondary Divider Grease Pump (Turntable Bearing) Valves (Crawler) Grease Reservoir Grease Lines to Secondary Divider Valves (Turntable)
  • Page 33 MLC300 Lubrication Guide GRACO LUBE SYSTEMS Figure 15 for Legend FIGURE 16 Manitowoc F2280-33 Published 07-21-21...

  • Page 34: Automatic Lubrication System

    Lubrication Guide MLC300 AUTOMATIC LUBRICATION SYSTEM b. Inspect for broken or cut grease lines. Inspect the terminal ends of each grease line to The crane has two grease systems that automatically grease verify there are no leaks. points on the turntable bearing and the rollers on each crawler.

  • Page 35: Automatic Lubrication System Troubleshooting

    MLC300 Lubrication Guide Automatic Lubrication System Troubleshooting Symptom Probable Cause Solution 1. Pump will not operate. Not receiving 24-volt DC Check fuses and electrical supply. input. Check electrical supply to the pump, by tracing to electrical source. Repair. Blocked pump cam.
  • Page 36 Lubrication Guide MLC300 THIS PAGE INTENTIONALLY LEFT BLANK F2280-36 Published 07-21-21...

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