New Holland 18HB, 21HB, 25HB, 30HB, 36HB Draper Header Service Manual
152 pages · Publication 84157369
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- Models
- 18HB, 21HB, 25HB, 30HB, 36HB
- Manual type
- Service Manual
- Pages
- 152
- Publication
- 84157369
- Condition
- Brand new
What's inside
From the manual's own table of contents: 18 sections, 120 entries. See sample pages (PDF, 527 KB)
Safety19 topics
- General Safety
- Operating and Maintenance Safety
- Hydraulic Safety
- Welding Safety
- Before Transporting
- Transport Safety
- Transporting Checks
- Towing Restrictions on Public Roads
- Windrower Mounting
- Windrower Header
- Principal Components
- Product Identification Number (PIN)
- Ballast System
- Single Swath
- Double Swath
- HB Series Swather Delivery Kits
- Single Swath Delivery
- Double Swath Delivery
- Header Hydraulic Drive System
Ecology and the Environment1 topic
- Helpful Hints
Minimum Hardware Tightening Torques5 topics
- Installation of Adjustable Fittings in Straight Thread O-ring Bosses
- Standard Torque Data for Hydraulic Tubes and Fittings
- Pipe Thread Fitting Torque
- Installation of O-ring Flat Faced Fittings
- Hydraulic Fitting Torque
Specifications2 topics
- Headers
- Options
Draper Drive1 topic
- Hydraulic Schematic Symbols
Upper Tube Hydraulics3 topics
- Single Reel Lift Circuit
- Double Reel Lift Circuit
- Single Reel Lift 36 Foot
Troubleshooting11 topics
- Hydraulic Problems
- Oil Overheating
- Hydraulic System Tests
- Relief Valve
- Knife Circuit
- High Pressure Readings
- Draper Circuit Operation and Testing
- Draper Motor Circuit
- Reel Motor Circuit
- Low Pressure Readings
- Knife Relief Pressure Adjustment
Description of Operation20 topics
- Hydraulic Motors
- Parker Motor
- White Motor
- Eaton Motor
- White (Roller Stator) Hydraulic Motor Seal Replacement
- Reverser Motor
- Removal
- Disassembly
- Assembly
- Hydraulic Manifold Block
- Assembly and Installation
- Flow Divider
- Installation
- Draper Flow Control
- Cartridge
- Pressure Vent
- Purging Air From Reel Positioning Systems
- Bleeding Slave Cylinders
- Purging Air From Reel Fore/Aft Systems
- Troubleshooting Charts
Overhaul12 topics
- Hydraulic Cylinders -- Removal
- Reel Fore/Aft
- Reel Lift Master Cylinder
- Reel Lift Slave Cylinder
- All Cylinders
- Hydraulic Cylinders -- Installation
- Electrical System
- Lights
- Remote Speed Control
- Sickle Drive Speed Sensor
- Sensor To Pulse Wheel Adjustment
- Automatic Reel Speed Control
Description of Operation and Overhaul28 topics
- Knife Drive
- Replacement
- All Cutting Systems
- Knife
- Schumacher Cutting System
- Guards
- Sections
- New Holland Cutting System
- Knife Hold-Down Clips
- Adjustment
- Cutter Bar Shimming -- NH System
- All Guards to Left of Center Guard
- Center Guard
- All Guards to Right of Center Guard
- Guard Alignment
- Knife Drive/Knife Head
- Schumacher Cutting System Only Knife Head
- Attachment
- Connector Bar
- Schumacher Overlap Kit
- Inspection and Replacement
- New Holland Cutting System Only
- Knife Head
- Overlap Tail
- Draper Splicing
- Hydraulic Double Swath
- Main Draper Decks
- Tracking
Inside this manual
Real pages from this service manual (152 pages). Open the sample pages (PDF, 527 KB)
- Specifications, page 31: SECTION 00 -- GENERAL INFORMATION -- CHAPTER 2
- Diagram, page 45: SECTION 35 -- HYDRAULICS -- CHAPTER 1
- Troubleshooting, page 87: SECTION 35 -- HYDRAULICS -- CHAPTER 5
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 152 pages
Quantity one is the manual described above.
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60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).