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OperatiOn and p arts Manual
series
MOdel MtX70HF
t aMping raMMer
(HOnda gX100uKrB5 gasOline engine)
Revision #0 (03/08/12)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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prOpOsitiOn 65 warning page 2 — MTX70HF RaMMeR • opeRa Tion and paRTs Manual — Rev. #0 (03/08/12)
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nOtes MTX70HF RaMMeR • opeRa Tion and paRTs Manual — Rev. #0 (03/08/12) — page 3
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t aBle OF COntents Honda gX100uKrB5 engine MtX70HF rammer Proposition 65 Warning ........................................... 2 Cylinder Barrel Assy.......................................... 38-39 Parts Ordering Procedures ...................................... 5 Crankcase Cover Assy. ...................................... 4041 Safety Information ................................................ 6-9 Crankshaft Assy. ............................................... 42-43 Specifications .............
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parts Ordering prOCedures Ordering parts has never been easier! Choose from three easy options: Effective: st January 1 , 2006 best deal! order via internet (dealers only) : If you have an MQ Account, to obtain a Username Order parts on-line using Multiquip’s SmartEquip website! and Password, E-mail us at: parts@multiquip. com. View Parts Diagrams To obtain an MQ Account, contact your Order Parts District Sales Manager for more information. Print Specifi cation Information Use the int
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saFety inFOrMatiOn Do not operate or service the equipment before reading Potential hazards associated with the operation of this the entire manual. Safety precautions should be followed equipment will be referenced with hazard symbols which at all times when operating this equipment. may appear throughout this manual in conjunction with Failure to read and understand the safety safety messages. messages and operating instructions could result in injury to yourself and others. saFeTy Message
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saFety inFOrMatiOn alWays know the location of the nearest phone or keep a geneRal saFeTy phone on the job site. Also, know the phone numbers of CauTion the nearest ambulance, doctor and fi re department. This information will be invaluable in the case of an emergency. neveR operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, hearing protection, steel-toed boots and other protective devices required by the job or city and state reg
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saFety inFOrMatiOn engine saFeTy Fuel saFeTy dangeR dangeR The engine fuel exhaust gases contain poisonous carbon DO NOT add fuel to equipment if it is placed inside truck monoxide. This gas is colorless and odorless, and can bed with plastic liner. Possibility exists of explosion or cause death if inhaled. fi re due to static electricity. The engine of this equipment requires an adequate free fl ow of cooling air. neveR operate this equipment in any enclosed or narrow area where
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saFety inFOrMatiOn TRanspoRTing saFeTy CauTion NEVER allow any person or animal to stand underneath the equipment while lifting. NOTICE Before lifting, make sure that the equipment parts (hook and vibration insulator) are not damaged and screws are not loose or missing. Always make sure crane or lifting device has been properly secured to the lifting bail (hook) of the equipment. alWays shutdown engine before transporting. neveR lift the equipment while the engine is running.
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speCiFiCatiOns Table 1. Rammer specifications Overall Height 40.04 in. (1017 mm) Overall Width 13.78 in. (350 mm) Over Length 28.1 in. (713 mm) Shoe Size (W x L) 13.4 x 11.2 in. (340 x 285 mm) Fuel Tank Capacity 2.1 qt. (2 liters) Lubrication Oil Capacity 0.86 qt. (0.82 liter) No. of Impacts Per Second 10.7 - 11.5 Impact Force 2,855 lbf (12.7 kN) Impact Plate Stroke 2 - 3.2 in. (50 - 80 mm) Operating Weight 163.13 lbs. (74 kg) Measured Sound Power Level 104 dB Guaranteed Sound Power Level 107 dB
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general inFOrMatiOn deFiniTion oF TaMping RaMMeR CauTion The Multiquip MTX70HF tamping rammer is a powerful Before starting operation check the lifting compacting tool capable of applying a tremendous force handle to: in consecutive impacts to a soil surface. Its applications include soil compacting for road, embankments and reservoirs as well as backfilling for gas pipelines, water 1. Make sure that there is no damage on the bolts. pipelines and cable installation work. 2. Make sure tha
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COMpOnents 3 2 4 10 1 5 9 6 11 7 12 13 8 Figure 1. MTX70HF Rammer Figure 1 shows the location of the controls and components 8. Foot — Laminated wood with tempered steel plate for superior shock absorption. for the MTX70HF Tamping Rammer. The functions of each control is described below: 9. Fuel Tank — Holds the fuel for the unit (up to 2.1quarts). 1. Combination (Throttle) l ever — Used to adjust 10. Muffler — reduces the noise of the engine when engine speed (rpm). Move lever forward (SLO
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BasiC engine Figure 2. Honda GX100 Engine 4. Muffler — Used to reduce noise and emissions. The engine (Figure 2) must be checked for proper lubri- cation and filled with fuel prior to operation. Refer to the 5. d ipstick/o il Filler Cap — Remove this cap to engine manufacturer's manual for detailed operation and determine if the engine oil is low. Add oil through this service information. filler port as recommended in Table 3. 1. Choke lever — Normally used in starting the engine 6. oil dr
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inspeCtiOn It is extremely important that this section be read carefully OILLEVEL before attempting to operate the rammer. do no T use DIPSTICK your rammer until this section is thoroughly understood. CRankCase and spRing CylindeR oil b aTH This unit uses an oil bath lubrication system. Perform the following: 1. Check the oil level through the oil level sight glass (Figure 3) at the rear of the tamper foot. Figure 5. Engine Oil Dipstick OILFILLPLUG 2. Low levels of oil may result in engine s
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OperatiOn 3. Grip the starter rope handle (Figure 8) and pull it until CauTion you feel a slight resistance. Then pull sharply and Failure to understand the operation of the Tamping quickly. Return the handle to the starter case before Rammer could result in severe damage to the unit or releasing. personal injury. iniTial sT aRTup When starting the MTX70HF Tamping Rammer perform the following: 1. Slide the throttle lever from the stop to the idle position STARTER ( ) (Figure 6). This op
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OperatiOn opeRa Tion sTopping THe engine 1. To start the rammer tamping action, move the throttle 1. Move throttle lever quickly from the sTaRT to idle lever (Figure 9) quickly from idle to the sTaRT ( ) position (Figure 6) and run the engine for three minutes position. do no T move the throttle lever slowly as this at low speed. After the engine cools, move the throttle may cause damage to the clutch or spring. lever to the sTop position (Figure 10). The engine will stop and the fuel cock i
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MaintenanCe Perform the scheduled maintenance procedures as indi- cated: daily Thoroughly remove dirt and oil from the engine and control area. Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary. PRIMARY ELEMENT Check the spring box and bellows for oil leaks. Repair or replace as needed. Figure 12. Air Cleaner Primary Element eveR y 50 HouRs eveR y 200 HouRs Remove the fuel filter cap and clean the inside of the Remove the oil d
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trOuBlesHOOting Troubleshooting (engine) symptom possible problem solution Spark plug bridging? Check gap, insulation or replace spark plug. Carbon deposit on spark plug? Clean or replace spark plug. Short circuit due to defi cient spark plug Check spark plug insulation, replace if worn. insulation? Improper spark plug gap? Set to proper gap. Fuel reaching carburetor? Check fuel line. Water in fuel tank? Flush or replace fuel tank. Fuel fi lter clogged? Replace fuel fi lter. Stuck carburetor? C
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trOuBlesHOOting Troubleshooting (engine) - continued symptom possible problem solution Air cleaner dirty? Clean or replace air cleaner. Improper level in carburetor? Check fl oat adjustment, rebuild carburetor. Weak in power, compression is proper and does not misfi re. Defective spark plug? Clean or replace spark plug. Improper spark plug? Set to proper gap. Flush fuel system and replace with correct Water in fuel system? type of fuel. Weak in power, compression is proper but misfi res. Dirt
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trOuBlesHOOting Troubleshooting (Rammer) symptom possible problem solution Operating speed of throttle lever is Set throttle lever to correct position. incorrectly set? Oil in excess? Drain excess oil. Bring to correct level. Clutch slips? Replace or adjust clutch. Engine runs but rammer jumps erratically or not at all. Spring Failure? Replace spiral spring. Adjust engine speed to correct Speed of engine improper? operating RPM setting. Soil over-compacted? Shut down machine and test soil. pa
