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levers can cause equipment to drop or rotate 

unexpectedly and cause severe injury or death.

• Service work does not require going under-

neath.

• Read Manual for service instructions or have

service performed by a qualified dealer.

• Stop tractor and implement immediately upon

striking an obstruction. Turn off engine, remove 

key, inspect, and repair any damage before 

resuming operation.

• Always wear relatively tight and belted cloth-

ing to avoid entanglement in moving parts. 

Wear sturdy, rough-soled work shoes and pro-

tective equipment for eyes, hair, hands, hear-

ing, and head.

Owner/Operator Pre-Operation Checklist

(Owner’s/Operator’s Responsibility)

____ Review and follow all safety rules and 

safety decal instructions on page 2 through 

page 6.

____ Check that equipment is properly and 

securely attached to tractor.

____ Check that all safety decals are installed 

and in good condition. Replace if damaged.

____ Check that all hardware is properly 

installed and secured.

____ Do not allow riders.

____ Make sure tractor ROPS or ROPS CAB

and seat belt are in good condition. Keep seat 

belt securely fastened during operation.

_______ After day of operation, check all hard-

ware. Retighten if needed. Please see Bolt Torque 

Chart (page 13) for proper torque information.

Operation 8

Safety is a primary concern in the design and 

manufacture of our products. Unfortunately, our 

efforts to provide safe equipment can be wiped 

out by an operator’s single careless act.
In addition to the design and configuration of 

equipment, hazard control and accident prven-

tion are dependent upon the awareness, con-

cern, judgement, and proper training of person-

nel involved in the operation, transport, mainte-

nance and storage of equipment.

It has been said “The best safety device is an 

informed, careful operator.”We ask you to be 

that kind of operator.

The operator is responsible for the safe opera-

tion of this equipment. The operator must be 

properly trained.Operators should be familiar 

with the equipment, the tractor, and all safety 

practices before starting operation. Read the 

safety rules and safety decals on pages 2-5.

• Power unit must be equipped with ROPS or 

ROPS cab and seat belt. Keep seat belt 

securely fastened. Falling off power unit can 

result in death from being run over or crushed.

Keep foldable ROPS systems in “locked up” 

position at all times.

• Never allow children or untrained persons to 

operate equipment.

• Keep bystanders away from equipment.

• NEVER GO UNDERNEATH EQUIPMENT.

Never place any part of the body underneath 

equipment or between moveable parts even 

when the engine has been turned off. Hydraulic 

system leak down, hydraulic system failures, 

mechanical failures, or movement of control 

OPERATION

WARNING

Summary of Contents for GB Series

Page 1: ...GB1 GB4_16330_06 18 GB SERIES GRADER BLADES O P E R A T O R S M A N U A L GB1 GB4 GB1 60 GB1 72 GB1 84 GB4 72 GB4 84 GB4 96 ...

Page 2: ...o handle all your needs Use only genuine Monroe Tufline service parts Substitute parts will void the warranty and may not meet standards required for safe and satisfactory operation Record the model number and serial num ber of your equipment in the spaces provided Model ____________________________________ Date of Purchase _________________ Serial Number see Safety Decal section for location ____...

Page 3: ...ontents TABLE OF CONTENTS INTRODUCTION ii SPECIFICATIONS GENERAL INFORMATION 1 SAFETY DECALS 3 SAFETY RULES 4 DEALER INSTRUCTIONS 7 OPERATION 8 OWNER SERVICE 10 PARTS CATALOG 11 BOLT SIZE AND BOLT TORQUE CHART 13 ...

Page 4: ... inline pro duction changes your machine may vary slightly in detail We reserve the right to redesign and change the machines as may be necessary without notification Throughout this manual references are made to right and left direction These are determined by standing behind the tractor facing the direction of forward travel GENERAL INFORMATION SPECIFICATIONS GB1 60 GB1 72 GB1 84 3 Point Hitch L...

Page 5: ...ble Limited Category 1 Quick Hitch Compatible Working Width 72 84 96 Overall Width 72 84 96 Overall Height Overall Length Tractor HP Range 35 75 HP 35 75 HP 35 75 HP Approximate Operating Weight 347 lbs 376 lbs MoldBoard Type Plate 1 4 Formed Plate 1 4 Formed Cutting Edges 2 3 8 x 6 Reversable 2 3 8 x 6 Reversable Specifications 2 ...

Page 6: ...O FOLLOW THESE INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH Replace Decals Immediately If Damaged Check that all safety decals are installed and in good condition Replacement Part numbers are listed below Use this diagram to affix new safety decals Decals can be obtained from your local dealer ...

Page 7: ...operator exposes himself and bystand ers to possible serious injury or death PREPARATION Always wear relatively tight and belted clothing to avoid getting caught in moving parts Wear sturdy rough soled work shoes and protec tive equipment for eyes hair hands hearing and head and respirator or filter mask where appropriate Make sure attachment is properly secured adjusted and in good operating cond...

Page 8: ...ke sure area is clear before operating in reverse Use extreme care when working close to fences ditches other obstructions or on hillsides Do not operate or transport on steep slopes Do not stop start or change directions suddenly on slopes Always operate down slopes never across the face Use extreme care and reduce ground speed on slopes and rough terrain Keep alert and watch the front as well as...

Page 9: ...top engine remove key and remove seat belt Never perform service or maintenance with engine running Keep all persons away from operator control area while performing adjustments service or maintenance Tighten all bolts nuts and screws to torque chart specifications page 12 Check that the land plane is properly attached to the power unit and that the equipment is in a safe condi tion before putting...

Page 10: ...m 20 of tractor and equipment gross weight must be on front tractor wheels When adding weight to attain 20 of tractor and equipment weight on front tractor wheels you must not exceed the ROPS weight certification Weigh the tractor and equipment Do not estimate ____ Show customer how to make adjustments ____ Present Owner s Operator s Manual and request that customer and all operators read it befor...

Page 11: ...rmation Operation 8 Safety is a primary concern in the design and manufacture of our products Unfortunately our efforts to provide safe equipment can be wiped out by an operator s single careless act In addition to the design and configuration of equipment hazard control and accident prven tion are dependent upon the awareness con cern judgement and proper training of person nel involved in the op...

Page 12: ...itch and the pins on the grader blade to fit together prop erly Slide sleeve shoulder bushings over draft pins Secure each shoulder bushing with roll pins 3 Upper bushing should already be installed to the top link 9 Operation Adjusting GB1 ANGLE To adjust the angle remove the pivot pin Ref 1 Fig 1 and rotate the moldboard until the desired angle is reached Replace the pivot pin to lock the angle ...

Page 13: ...Operation 10 ...

Page 14: ...ice or maintenance Before dismounting power unit or performing any service or maintenance follow these steps disengage power to equipment lower the 3 point hitch and all raised components to the ground operate valve levers to release any hydraulic pressure set parking brake stop engine remove key and unfasten seat belt Always wear relatively tight and belted clothing to avoid entanglement in movin...

Page 15: ...Parts Catalog 12 GB1 SERIES MS Model Specific ...

Page 16: ...GB4 SERIES 13 Parts Catalog ...

Page 17: ...Bolt Size and Bolt Torque Chart 14 Bolt Size Chart SAE Torque Chart ...

Page 18: ... 2018 Monroe Tufline Manufacturing Inc All Rights Reserved PART NO 16330 ...

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