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TMG-EPD700
PRODUCT MANUAL
v2023.01.10
4-7 TON EXCAVATOR
HYDRAULIC POST POUNDER
Please read and understand the product manual completely before assembly
Check against the parts list to make sure all parts are received
Wear proper safety goggles or other protective gears while in assembly
Do not return the product to dealer. They are not equipped to handle your requests.
Missing parts or questions on assembly?
Please call: 1-877-761-2819 or email: cs@tmgindustrial.com
www.tmgindustrial.com
TOLL FREE:1-877-761-2819
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Summary of Contents for TMG TMG-EPD700
- Page 1 TMG-EPD700 PRODUCT MANUAL v2023.01.10 4-7 TON EXCAVATOR HYDRAULIC POST POUNDER Please read and understand the product manual completely before assembly Check against the parts list to make sure all parts are received Wear proper safety goggles or other protective gears while in assembly Do not return the product to dealer.
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY PRECAUTIONS .....................03 STANDARD SPECIFICATIONS ...................04 CONSTRUCTION & MAIN PARTS ..................04 POST POUNDER TOOLS ....................06 PREPARATION FOR INSTALLATION & OPERATION............07 OPERATION........................08 REPAIR & INSPECTION......................09 INSPECTION & CHARGING (BACK HEAD)................11 TROUBLE – SHOOTING GUIDE...................13 CUSTOMER’S REPORT.......................15 EXPLODED DRAWINGS AND PARTS LIST................16 www.tmgindustrial.com 2/18 TOLL FREE:1-877-761-2819... -
Page 3: Safety Precautions
SAFETY PRECAUTIONS 1. Safety Precautions 1) This manual contains safety, operation, and routine maintenance instructions. It does not contain service disassembly instructions. If needed, complete service disassembly and assembly instructions are contained in the manual, which can be ordered from your Hydraulic Attachments -Post pounder authorized and certified dealer. -
Page 4: Standard Specifications
Do not operate the equipment if you are under the influence of drugs or alcohol. u) Remove the from the carrier during transport. post pounder STANDARD SPECIFICATIONS Model Unit TMG-EPD700 Excavator capacity Operating weight Working flow rate 9.5-16 Working pressure 1600-2000... - Page 5 2. Inner Valve Type Through bolt Front head, cylinder and back head of Post driver hammer body are tightly fixed with four through bolts. Back head Back head This contains the cushion chamber charged with nitrogen(N2) gas that compresses during upward strokes of the piston, and Through bolt serves to provide maximum absorption of piston recoil, efficiency Valve...
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Page 6: Post Pounder Tools
POST POUNDER TOOLS 1. Tool Replacement 1) Remove the stop pin and the tool pin with a 330mm-long steel bar. When reassembling, align the groove in the tool and the tool pin hole and insert the tool pins. 2) Reverse disassembly procedures to install Tool Pin a replacement too. -
Page 7: Preparation For Installation & Operation
Recommended Lubricant Greases MAKER GREASE Esso Beacon Q2 Shell Retinax AM Mobil 1 Mobil 1 Grease special ○ STANDING UP 1) The post pounder must be in a vertical position to grease, with enough down-pressure to push the tool up inside the housing. 2) Grease until clean grease oozes out around the tool and retainer pins. -
Page 8: Operation
OPERATION 1. Operation method 1. Pre-drill a pilot hole if the soil conditions are rocky, frozen, or too difficult to simply drive the post into the ground. 2. Requires another person to position the pile. This person will set the pile at the desired location and grasp the pile securely. 3. -
Page 9: Repair & Inspection
7) Do not touch the Tool during post pounder operation. During post pounder operation, the post pounder parts can reach high temperatures. 8) When operating the post pounder you must use the ear, eye and breathing protection. 9) Greasing danger With the post pounder mounted on the machine, apply down pressure on the Driver Tool. - Page 10 2. Daily post pounder inspection Before starting operation, be sure to inspect the post pounder referring to the following table. Inspection Item Inspection Point Remedy Looseness, missing and Through bolts. Check looseness. damage bolts and nuts Bracket mounting bolts. Retighten securely. Loose of hose fittings, visible Hydraulic popes for the post driver.
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Page 11: Inspection & Charging (Back Head)
Change Timing of the Driver Pounder Bush (mm) ■ Model Wear Limit(mm) TMG-EPD700 INSPECTION AND CHARGING Nitrogen (N2) Gas at the Back-Head WARNING 1. Charging gas pressure changes according to the tool condition. Lay down the breaker and let the tool extend fully. - Page 12 2. Inspection of N2-Gas in the Back-Head 1) Make sure that the cap and the valve of the gas charging kit(⑤) are fully tightened. Screw the gas charging kit(⑤) into the charging valve of the Back-Head after removing the plug. 2) At this time the handle must be short to prevent the gas from coming out.
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Page 13: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. Problems in operation If the post pounder does not work or blow frequency and blow get worse, check following troubleshooting. And then inspect according to the following order. Symptom Cause Required action 1. Excessive back head gas pressure 1. - Page 14 2. Gas Leakage Trouble Cause Remeby Gas leakage from the top of 1. Defective o-ring in charging valve 1. Replace charging valve 2. Defective or damaged in charging valve 2. Repair or replace charging valve 1. Defective o-ring in charging valve 1.
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Page 15: Customer's Report
CUSTOMERS’ REPORT 1. Delivery and Installation Card This is report is for checking that post pounder is correctly delivered and equipped on machine distributor should correctly draw up this. This is report must be drawn up in typewritten and Informed within 7 days after the date When delivered post pounder to customer. -
Page 16: Exploded Drawings And Parts List
EXPLODED DRAWINGS AND PAST LIST 1. Main exploded drawings 2. Main parts list PART NO. DESCRIPTION PART NO. DESCRIPTION Driver pounder (Ø68-200mm) Up clamping plate Bracket welder Side bolt M30*250 Down clamping plate Nuts M30 Hydraulic hoses 1/2*1.8m with Hydraulic power unit 1/2 NPT fitting www.tmgindustrial.com 16/18... - Page 17 3. Hydraulic power unit exploded drawings www.tmgindustrial.com 17/18 TOLL FREE:1-877-761-2819...
- Page 18 4. Hydraulic power unit parts list PART NO. DESCRIPTION PART NO. DESCRIPTION Back head Valve Charging valve assembly Valve plug O-ring O-ring Cylinder O-ring Seal retainer Valve sleeve O-ring Front Head Plug Grease nipple Gas seal Ø68 Tool pin U-packing(Step seal) SPNS 68 Stop pin O-ring Stop pin ( bush)
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