drago GT Manuel utilisateur
CLINIC GUIDE
MODEL IDENTIFICATION
1 Corn Head Clinic Guide - GT
GT
The GT corn head was introduced in 2016. The design of this head introduced features such as the
QuadSuspension™ for the deck plates, individual slip clutches on individual components, and a 100% gear driven
driveline. Each row unit has independent slip clutches for each gathering chain, the stalk rollers, and the stalk
chopper (if equipped).
INTRODUCTION
Corn Head Clinic Guide - GT
2
Table of Contents
MAINTENANCE ............................................................................................................................................................3
REQUIRED FLUIDS ..................................................................................................................................................... 4
LUBRICANT PART NUMBERS ..................................................................................................................................... 4
MAINTENANCE SCHEDULE ........................................................................................................................................ 5
PRE-SEASON ........................................................................................................................................................... 5
NORMAL OPERATION ............................................................................................................................................. 5
DOWN CORN ........................................................................................................................................................... 6
PRE-SEASON ............................................................................................................................................................... 7
20-HOUR ..................................................................................................................................................................... 8
100-HOUR ................................................................................................................................................................... 8
250-HOUR OR YEARLY ............................................................................................................................................... 9
INITIAL SETTINGS................................................................................................................................................... 11
CORN HEAD ANGLE .................................................................................................................................................... 11
HEAD SPEED ............................................................................................................................................................. 12
SNOUT ADJUSTMENTS ............................................................................................................................................. 13
DECK PLATE GAP ...................................................................................................................................................... 13
DECK PLATE TENSION.............................................................................................................................................. 14
GATHERING CHAIN TENSION .................................................................................................................................. 14
PART REPLACEMENT ...............................................................................................................................................15
PERFORMANCE PARTS............................................................................................................................................ 17
TROUBLESHOOTING.................................................................................................................................................18
NOTES..........................................................................................................................................................................21
SERVICE VIDEOS ..................................................................................................................................................... 23
MAINTENANCE
3Corn Head Clinic Guide -GT
MAINTENANCE
Themaintenance items in this section outlines the recommended intervals and lubricants required to keep the
corn head functioning properly.
For more information on maintenance items and repairs please refer to your Operators Manual or the Drago
Service Video website at https://www.dragotec.com/service-video
It is important to use only the lubricants specified or degradation of corn head performance may appear over
time. Unlike most other EP0 greases, Mobilux EP0 grease does not use clay or polymers as the base material.
When clay-based greases are used over time the grease evaporates and leaves behind the base material. This base
material deposit can build up over time preventing normal operation. This is the common cause of deck plates and
gathering chain tensioners to stick. The pictures below show what the base material deposits look like.
MAINTENANCE
Corn Head Clinic Guide -GT
4
REQUIRED FLUIDS
LUBRICANT PART NUMBERS
-Intermediate Gearbox
-Row Unit Gearbox (Non-Chop)
-Row Unit Gearbox (Single Chop)
-Row Unit Gearbox (Twin Chop+)
-Cross-Auger Gearbox
-Heavy-Duty Drive Gearbox
GR-1000T
–SAE 30W Oil
Mobilux EP 0 Grease
-Gathering Chains
-Stalk Rollers
-Gathering Chain Tensioner
-Gathering Chain Drive Sprocket
-Gathering Chain Idler Sprocket
-Folding Joints
-Jack Shaft Bearings
-PTO U-Joints
-PTO Shield Bearing
-Cross-Auger Slip Clutch
–
–
–
–
–
–
–
–
–
Mobil SHC 634 Oil
47 oz (1.4L)
98 oz (2.9L)
179 oz (5.3L)
193 oz (5.7L)
85 oz (2.5L)
71 oz (2.1L)
LUBRICANT LOCATION CAPACITY
Mobilux EP 0 Grease 14 oz (414mL) Tube –Case of 10
Mobil SHC 634 Oil
Quart (0.9L) –Single
Case –12 Quarts
5 Gallon Bucket (19L)
DR-MOB634-QT
DR-MOB634-CASE
DR-MOB634-5GAL
LUBRICANT
SIZE
PART NUMBER
MAINTENANCE
5Corn Head Clinic Guide -GT
MAINTANCE SCHED ULE
PRE-SEASON
NORMAL OPERATION
CHECK
-Heavy-Duty Gearbox Oil Levels
-Intermediate Gearbox Oil Levels
-Row Unit Gearbox Oil Levels
-Cross-Auger Gearbox Oil Levels
-Deck Plate Gaps
ADJUST
-Gathering Chain Tensioners
LUBRICATE -Gathering Chain Tensioners
-Stalk Rollers
EVERY 20 HOURS
CHECK
-Chopping Knives
LUBRICATE
-Stalk Rollers
-Folding Tow Shaft Couplers
EVERY 100 HOURS
CHECK
-Heavy-Duty Drive Gearbox Oil Levels
-Intermediate Gearbox Oil Levels
-Row Unit Gearbox Oil Levels
-Cross-Auger Gearbox Oil Levels
-Gathering Chain Tensioners
ADJUST
-Clean Deck Plates
LUBRICATE
-Jack Shaft Bearings
-Gathering Chain Tensioners
-Gathering Chain Drive Sprockets
-Gathering Chain Idler Sprockets
-PTO U-joints
-PTO Shield Bearings
EVERY 250 HOURS OR ANNUALLY
IF PERFORMING ANNUAL MAINTENANCE,COMPLETE THE 20,AND 100-HOUR SERVICES,IN
ADDITION TO THE 250-HOUR SERVICE
CHECK
LUBRICATE
-Inspect Gathering Chain Wear Guides
-Oil Gathering Chains
-Folding Joints
-Cross-Auger Slip Clutch(s)
MAINTENANCE
Corn Head Clinic Guide -GT
6
DOWN CORN
DAILY
CHECK -Chopping Knives
-Gathering Chain Tensioners
LUBRICATE
-Folding Tow Shaft Couplers
EVERY 100 HOURS
CHECK
-Heavy-Duty Drive Gearbox Oil Levels
-Intermediate Gearbox Oil Levels
-Row Unit Gearbox Oil Levels
-Cross-Auger Gearbox Oil Levels
ADJUST
-Clean Deck Plates
LUBRICATE
-Jack Shaft Bearings
-Gathering Chain Drive Sprockets
-PTO U-joints
-PTO Shield Bearings
EVERY 250 HOURS OR ANNUALLY
IF PERFORMING ANNUAL MAINTENANCE COMPLETE THE DAILY, 20,AND 100-HOUR SERVICES,IN
ADDITION TO THE 250-HOUR SERVICE
CHECK
LUBRICATE
-Inspect Gathering Chain Wear Guides
-Oil Gathering Chains
-Folding Joints
-Cross-Auger Slip Clutch(s)
EVERY 20 HOURS
-Stalk Rollers
-Gathering Chain Idler Sprockets
-Gathering Chain Tensioners
LUBRICATE
MAINTENANCE
7Corn Head Clinic Guide -GT
PRE-SEASON
①Check Heavy-Duty Gearbox Oils
② Check Intermediate Gearbox Oils
③ Check Row Unit Gearbox Oils
④ Check Auger Gearbox Oils
⑤ Check Deck Plate Gaps
⑥Adjust Gathering Chain Tension
⑦Grease Gathering Chain Tensioner
⑧ Grease Stalk Rollers
MAINTENANCE
Corn Head Clinic Guide -GT
8
20-HOUR
100-HOUR
① Inspect Chopper Knives
② Grease Stalk Rollers
③ Grease Folding Tow Shafts
① Check Heavy-Duty Gearbox Oils
② Check Intermediate Gearbox Oils
③ Check Row Unit Gearbox Oils
④ Check Auger Gearbox Oils
⑤Check Gathering Chain Tension
⑦ Clean Under Deck Plates
MAINTENANCE
9Corn Head Clinic Guide -GT
100-HOUR (Cont.)
250-HOUR OR YEARLY
If performing year end service complete the 20, and 100-hour services in addition to the 250-hour service below.
⑧ Grease Jackshaft Bearings
⑨Grease Gathering Chain
⑩ Grease Gathering Chain Drives
⑪ Grease Gathering Chain Idlers
⑫ Grease PTO Shaft U-Joints
⑬ Grease PTO Shaft Shield
① Inspect Gathering Chain Guides
② Oil Gathering Chains
③ Grease Folding Tow Joints
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