Develon DX20Z-5, DX19Z-7B Mini Excavator Operation and Maintenance Manual

These Develon minis usually live in tight spots—driveways, back yards, utility trenches, around foundations—where downtime really hurts. This operation and maintenance manual helps you set a rhythm: what to trace, check, and verify every day, what to inspect weekly, and what to service before the busy season hits. Picture this: you’re on a tight schedule, machine won’t swing smooth, and you’re guessing if it’s a lube issue or something worse; with this, you can isolate the likely cause and know what to test or what to hand off to a shop.

Applications & Use Cases

• Set up a daily walk‑around so you trace leaks, check track tension, and verify controls before anything fails on a job.
• Plan seasonal services—filters, fluids, pins—so you don’t lose a week mid‑season waiting on parts or a field tech.
• Use the procedures to bleed the fuel or cooling system properly after a repair so you don’t chase air-lock problems all day.
• Follow the guidance to route hoses and align attachments so you don’t rub through lines or wreck bushings early.
• When something feels off, use the troubleshooting flow to isolate whether you can fix it onsite or you’ll probably need a dealer.

FAQ

Q: Is this a PDF I can search on my phone or laptop?

A: Yes, it’s typically a searchable PDF, so you can jump right to the section you need by keyword.

Q: Can I print just a few pages to keep in the cab?

A: You usually can; most folks print the daily checks and basic maintenance pages and stash them in a sleeve on the machine.

Safety Note

Always lower the attachment, kill the engine, and relieve hydraulic pressure before you inspect, test, or work on any part of the machine.

Develon DX20Z-5, DX19Z-7B Mini Excavator Index:

FOREWORD
SAFETY …………………………………………….
SAFETY DECALS ….. ….. …………
INFORMATION AND LOCATION FOR SAFETY DECALS………..
EXCAVATOR PROHIBITION OF LIFTINGWARNING……………..
GENERAL………………………………………………………………………….
OPERATION
ENVIRONMENT AND
OPERATING CONTROLS
COMPONENT LOCATIONS
OPERATORS AREA … …………………………………………………………
OPERATIONAL CONTROLS AND PANELS……………………………
pANEL ….. …………………………………………………………………………..
MISCELLANEOUS ELECTRICAL .
SEAT ADJUSTMENT…
ENGINE EMERGENCY STOP SWITCH
MISCELLANEOUS ACCESS COVERS AND DOORS………………

OPERATION
TO OPERATE A NEW EXCAVATOR
STARTING AND STOPPING ENGINE
SAFETY LEVER
TRAVEL
OPERATING INSTRUCTIONS.
OPERATING PRECAUTIONS.
PARKING EXCAVATOR.
TOWING PROCEDURE –
HYDRAULIC BREAKER .
INSPECTION, MAINTENANCE AND ADJUSTMENT
MAINTENANCE INFORMATION
MACHINE SETUP POSITION FOR K,WNTENAWE.
HANDLING OIL, FUEL,GOOLANT_
ELECTRICAL SYSTEM MAINTENANCE _
RECOWÆND FUEL, COOLANT, AND LUBRICANT..
TABLE OF REGOMN,IENDED LUBRICANTS.
FLUID CAPACITIES _
NTENANCE INTERVALS.
10 HOUR / DAILY SERVICE
50 HOUR / WEEKLY SERVICE
250 HOUR / MONTHLY SERVICE
500 HOUR / 3 MONTH SERVICE.
1 HOUR / 6 x•10NTH SERVICE.
2,mo HOUR / YEARLY SERVICE…
4,mo HOUR / BIENNIAL SERVICE

12,000 HOUR / 6 YEAR SERVICE
TRACK TENSION
VENTING AND PRIMING HYDRAULIC SYSTEM……………………..
ELECTRICAL SYSTEM .
ENGINE COOLING SYSTEM ….. ……………………………………………..
HANDLING OF ACCUMULATOR
MAINTENANCE IN SPECIAL CONDITIONS…………………..
TRANSPORTATION …………………………………..
LOADING AND UNLOADING ………………………
SPECIFICATION…………………………………
STANDARD SPECIFICATION …………………………………………………
OVERALL DIMENSIONS
WORKING RANGE
APPROXIMATE WEIGHT OF WORKLOAD MATERIALS…………..

Develon