Table of Contents
1.
Safety Information
1.1
Safety Precautions
Operating Safety
1.2
1.3
Operator Safety while using Internal Combustion Engines
1.4
Service Safety
1.5
Label Locations
1.6
Safety Labels
1.5 Operating Labels
2.
Operation
2.1
Application
2.2
Structure
2.3
Before Starting
2.4
To Start
2.5
Operation
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3
3
4
6
7
11
11
12
12
5
8
10
11
11
2.6
To Stop
3.
Maintenance
3.1
Periodic Maintenance Schedule
3.2
Transporting
Spark Plug
3.3
3.4
Air Cleaner
Storage ----------------------------------------------------------------------------------------
3.5
3.6
Troubleshooting
4.
Technical Data
Warranty
Maintenance Record
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14
14
15
15
16
16
19
20
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3
This manual provides information and procedures to safely operate and maintain this
model. For your own safety and protection from injury, carefully read, understand and
observe the safety instructions described in this manual.
Keep this manual or a copy of it with the machine. If you lose this manual or need an
additional copy, please contact Tomahawk Power. This machine is built with user safety
in mind; however, it can present hazards if improperly operated and serviced. Follow
operating instructions carefully. If you have questions
about operating or servicing this
equipment, please contact Tomahawk Power.
The information contained in this manual is based on machines in production at the
time of publication. Tomahawk Power reserves the right to change any portion of this
information without notice. No part of this publication may be reproduced in any form or
by any means, electronic or mechanical, including photocopying, without express
ten permission from Tomahawk Power.
writ
Any type of reproduction or distribution not authorized by Tomahawk Power rep-
resents an infringement of valid copyrights and will be prosecuted. We expressly reserve
theright to make technical modifications, even without due notice, which aim at
improving our machines or their safety standards.
SAFETY INFORMATION
1.
1.1
Safety Precautions
This manual contains DANGER, WARNING, CAUTION, and NOTE callouts which must be
followed to reduce the possibility of personal injury, damage to the equipment, or
improper service.
This is the safety alert symbol. It is used to alert you to potential personal injury
hazards. Obey all safety messages that follow this symbol to avoid possible
injury or death.
DANGER indicates an imminently hazardous situation which, if not avoided, will
DANGER
result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
WARNING
CAUTION indicates a potentially hazardous situation which, if not avoided, may
CAUTION
result in minor or moderate injury.
4
CAUTION: Used without the safety alert symbol, CAUTION indicates a potentially
hazard
1.2
ous situation which, if not avoided, may result in property damage.
Operating Safety
Familiarity and proper training are required for the safe operation of this equipment.
Equipment operated improperly or by untrained personnel can be dangerous! Read the
operating instructions and familiarize yourself with the location and proper use of all
instruments and controls. Inexperienced operators should receive instruction from
someone familiar with the equipment before being allowed to operate the rammer.
-NEVER operate rammer in applications for which it is not intended.
-NEVER allow improperly trained personnel to operate rammer.
-NEVER touch hot muffler, engine cylinders, or cooling fins.
-NEVER use accessories or attachments for the rammer, which are not recommended by
TOMAHAWK POWER. Damage to the rammer and/or injury to user may occur.
-NEVER leave a running machine unattended.
-NEVER run machine indoors or in an enclosed area such as a deep trench unless
adequate ventilation is provided. Exhaust gas from the engine contains poisonous
carbon monoxide gas; exposure to carbon monoxide can cause loss of consciousness
and may
lead to death.
-NEVER tamper with or disable the function of operating controls.
-NEVER use choke to stop the engine.
-NEVER operate the machine in areas where explosions may occur.
-ALWAYS remove or disconnect engine spark plug before servicing rammer, to avoid
accidental start-up.
-ALWAYS read, understand, and follow procedures in the Operation Manual before
attempting to operate equipment.
-ALWAYS be sure that all other persons are at a safe distance away from the rammer. Stop
the machine if people step into the working area of the machine.
-ALWAYS be sure the operator is familiar with proper safety precautions and operation
techniques before using rammer.
-ALWAYS wear protective clothing when operating rammer. Wear goggles or safety glass-
es, hearing protection, and safety shoes.
-ALWAYS keep hands, feet, and loose clothing away from the moving parts of rammer.
5
-ALWAYS use common sense and caution when operating rammer.
-ALWAYS be sure rammer will not tip over, roll slide, or fall when not being operated.
-ALWAYS turn engine OFF when rammer is not being operated.
-ALWAYS guide the rammer in such a way that the operator is not squeezed between the
rammer and solid objects. Special care is required when working on uneven ground or
when compacting coarse material. Make sure to stand firmly when operating the machine under such conditions.
-ALWAYS operate the rammer in such a way that there is no danger of it turning over or
falling in, when working near the edges of breaks, pits, slopes, trenches and platforms.
Operator Safety while using Internal Combustion Engines
1.3
-DO NOT smoke when refueling the engine or operating the machine.
-DO NOT refuel a hot or running engine.
-DO NOT refuel the engine near an open flame.
-DO NOT smoke while operating the rammer.
-DO NOT operate the rammer near open flames.
-ALWAYS refill fuel tank in a well-ventilated area.
-ALWAYS replace fuel tank cap after refueling.
-ALWAYS check fuel lines, fuel cap, and fuel tank for leaks and cracks before starting
engine. Do not run this machine if fuel leaks are present, or fuel cap or fuel lines are
loose.
-If fuel is spilled during refueling, wipe it off from the engine immediately and discard
the rag in a safe place. Do not operate the unit if fuel or oil leaks remain.
-NEVER operate any gas powered equipment in a poorly ventilated or enclosed area.
-NEVER perform any work on the unit while it is running. Before working on it, stop the
engine and disconnect the spark plug wire to prevent accidental starting.
-Avoid prolonged breathing of exhaust gases.
-Avoid contact with hot exhaust systems and engine parts.
-Allow engine to cool before performing any repairs or service.
-ALWAYS transport and handle fuel only when contained in approved safety containers.
-ALWAYS keep the area around the muffler free of debris such as leaves, paper, cartons,
etc. A hot muffler could ignite the debris and start a fire.
6
1.4
Service Safety
Poorly maintained equipment can become a safety hazard! In order for the equipment to
operate safely and properly over a long period of time, periodic maintenance and
occa
sional repairs are necessary.
-DO NOT attempt to clean or service rammer while it is running.
-DO NOT operate rammer with safety devices or guards removed or that are not in
work
ing order.
-DO NOT operate rammer without air cleaner.
-DO NOT remove air cleaner paper component, or air filter cover while
operating
rammer.
-DO NOT alter engine speeds. Run engine only at speeds specified in Technical Data
Section.
-ALWAYS replace safety devices and guards adhere to repairs and maintenance.
-ALWAYS keep area around muffler free of debris in order to reduce to chance of an
acci
dental fire.
-ALWAYS do Periodic Maintenance as recommended in Operation Manual.
-ALWAYS clean debris from engine cooling fins.
-ALWAYS replace worn or damaged components with spare parts designed and
recom
mended by TOMAHAWK POWER for servicing this rammer.
7
1.5
Label Locations
8
1.6
Safety Labels
Tomahawk & Jumping JX machines use international pictorial labels where
needed. These labels are
described below:
LABEL
MEANING
This label contains important safety and operating information.
If it becomes illegible, the cover must be replaced. Refer to the
Parts Manual for ordering information.
DANGER! Engines emit carbon monoxide; operate only in
well-ventilate area. Read the Operation Manual for machine
information. No sparks, flames, or burning objects should be
near the machine. Shut oG the engine before refueling. Use only
clean, filtered unleaded gasoline.
CAUTION!
Use only clean, filtered gasoline fuel.
CAUTION
Lihing point.
WARNING!
Hot surface!
CAUTION!
For optimal control, performance, and minimal hand/arm
vibration, grasp handle as shown.
9
LABEL
number
information
nameplate
MEANING
WARNING! Serious injury if struck by compressed spring or
cover. If the spring system cover is removed improperly, the
springs can eject.
Guaranteed sound power level in dB(A).
A nameplate listing the model number and serial
is attached to each unit. Please record the
found on this plate so it will be available if the
lost or damaged.
9
1.7
Operating Labels
labels are described below:
LABEL
MEANING
Start the engine:
Turn the engine switch to the ON position
Close the choke.
Pull the rewind starter.
Open the choke.
Stop the engine:
Turn the engine switch to OFF position.
Fuel valve:
Closed
Open
Engine stop button:
Press to stop engine.
Choke:
O: Open
I: Closed
NOTICE!
Throttle control lever:
Turtle = Idle or Slow
Rabbit = Full or Fast
10
2.
Operation
Application
2.1
Rammers are designed to compact loose soils and gravel to prevent settling and to provide a firm, solid base for the placement of footings, concrete slabs, foundations, gas
piping works, water pipe works, and cable backfill works, etc.
Please do not use in the following cases as it may cause damage because
machine is unbalanced.
WARNING
-Pile foundation
-Hard soil excessively compacted over normal condition
-Steep bank and slopes
The Tamping Rammer is to be used for compacting cohesive clay, gravels, and patching
work on asphalt, etc.
Structure
2.2
Thetop end is made up of the engine, Clutch, Connecting Rod, Operating Handle, and
Fuel Tank that connects via Shock Absorbing Rubber to the body. The bottom end is
made up of Spring Cylinder (Sliding part), Foot Plate that ramps body, Foot and Bellows.
Before Starting
2.3
-This machine is of oil bath lubrication system.
-Check the oil level through a window at rear end of the foot. Replenish oil if oil is not
visible at the window. For lubrication, use automobile engine oil of SAE 10W-30.
-Fill the fuel tank with regular gasoline (unleaded). Simultaneously, check engine oil and
make it a habit to replenish on the earlier side. Low lubrication oil level may result in
engine seizure due to consumption during operation. Nevertheless, oil level should be
checked prior to start up without fail. For lubrication, use automobile engine oil of
10W-30 SE, SF or better grade. See Engine Operating Manual for further detail.
-Check every bolt, nut or screwed area for tightness.
These may have become loosened
due to vibrations from previous use.
-Remove dirt and dust. Particularly clean the vicinity of recoil starter and foot.
11
2.4
To Start
Open the fuel shut-off valve by moving the fuel cock level to the open position.
1.
2.
Set the engine ON/OFF switch to the position.
3.
Grip the recoil starter handle and pull it until you feel slight resistance. Then pull
sharply and quickly. Return the recoil starter handle to the starter case before releasing.
4. Grip the recoil starter handle and pull it a little to feel slight resistance. Then pull
powerfully. To release the handle, do not release at the position where it has been
pulled to,
but release after returning closely to the starter case.
5. If the engine has started, return the choke lever slowly to the full-open position. Be
sure to perform a warm-up run for a period 3 to 5 minutes at low speed, while paying
careful attention to gas leakage or abnormal sound.
6. If it is difficult to start the engine by repeatedly pulling the starter rope, remove
ignition plug and check the sparking performance. If the plug is wet due to excessive
fuel intake or soiled, replace the coil or clean sufficiently. With the ignition plug
removed,
2.5
Operation
pull the recoil starter handle 2-3 times to discharge excessive gas.
1. Turn the choke lever to open the choke. Run the engine for 5 minutes at low speed to
warm the engine.
2. Move the throttle lever quickly to the position. DO NOT move the
throt
tle lever slowly as this may cause damage to the clutch or spring.
Make sure that the throttle lever is moved to the FULL OPEN position.
Operating the rammer at less than full speeds can result in damage to the
clutch springs or foot.
CAUTION
3. After starting the tamping action, adjust the jumping motion to suit the particular
soil condition by lightly controlling the throttle lever. When the engine speed falls
between the set values shown on the engine, your work can be carried out at the best
efficiency.
Increasing the engine speed unnecessarily does not cause the
compaction force to increase. On the contrary, a resultant resonance causes the
compaction force to decrease, damaging the machine.
4. Under cold weather, the oil in the machine may become viscous, causing the tamping
rammer to perform somewhat irregular movement. It is recommended to perform a
warm-up run while moving the throttle lever repeatedly between ON and OFF positions,
before beginning to work.
12
5. Soil contacting surface of the foot is lined with heat-treated metal sheet for extra
strength. However, for compacting cobblestone, use the filling-up soil for example so
that the foot hits the soil uniformly.
6.
The tamping rammer has been designed to advance while jumping. For quicker
advance, erect the machine by pushing its handle down slightly so that flat surface of the
foot at its rear-end contacts the ground.
7. To stop the tamping action, move throttle lever quickly from the FULL OPEN to IDLE
position.
To Stop
2.6
2.6.1
Normal Shutdown
1. With the throttle lever closed from ON to OFF, run the engine for 3-5 minutes at low
speed, and after the temperature is lowered, turn the switch to the position.
2.
Close the fuel shut-off valve by moving the fuel cock lever to the CLOSED position.
2.6.2
Emergency Shutdown
Move the throttle lever quickly to the IDLE position, and turn the ON/OFF switch
to the OFF position.
13
3.
or
months or
Maintenance
Periodic Maintenance Schedule
3.1
Check fuel level
Check oil level of machine
Check fuel line and fittings
for cracks or leaks.
Tighten ramming shoe
hardware
Check and tighten
engine
cylinder screws
Check and tighten external
hardware
Clean engine cooling fins
Daily
before
starting
Afte
r
first 5
hours
Every
week or
25 hours
Every
month
100 hours
Every 3
300 hours
Clean and check spark plug
gap
Replace spark plug
Clean recoil starter
Change ramming system oil
Clean engine muffler and
exhaust port
* Change ramming system oil after first 50 hours of operation.
Note: If engine performance is poor, check, clean, and replace air filter elements as
needed.
14
3.2
Transporting
Shutdown engine for transportation
1.
2. For transportation, tighten fuel tank cap securely and close fuel cock to prevent fuel
from spilling.
Drain fuel for transportation over long distances or poor roads.
3.
Secure machine firmly to prevent it from moving or tipping.
4.
The rammer should be transported in the same position as if it is placed on level
5.
ground. In case the rammer must be laid down for transportation, drain the fuel tank as
well as the carburetor and make sure that the oil plug is tightened securely, then tie the
rammer to the vehicle at points (a) and (b).
6. The rammer must be laid down so that the air filter faces up. After laying the
rammer
down, make sure that there is no leak from the fuel from cap (c).
7. Make sure lifting device has enough capacity to hold machine (see identification
plate
8.
on machine for weight). Use central lifting point (a) when lifting machine.
Use trolley kit (supplied as optional) for short distance transportation.
3.3
Spark Plug
Check and clean spark plugs regularly. A fouled, dirty spark plug may cause hard starting
and poor engine performance. Set spark plug gap to recommended clearance. Refer to
engine manual.
The muffler and engine cylinder become very hot during operation and
remain hot for a while after stopping the engine. Allow engine to cool
WARNING
before removing spark plug.
NOTICE: A loose spark plug can become very hot and may cause engine damage.
15
3.4
Air Cleaner
A clean engine will extend engine life. Keep the air filter clean at all times. Clean the
air filter using the recommended solvent daily. See engine manual for proper
cleaning procedure. Let the filter dry before reinstalling.
NEVER use gasoline or other types of low flash point solvents for cleaning
the air cleaner. A fire or explosion could result.
3.5
WARNING
Storage
The rammer should be stored on level ground, after the engine and machine have
cooled
down. Be sure to secure the rammer as necessary to avoid it from falling down.
Ifthe rammer has to be laid down, tighten fuel tank cap and engine oil plug securely
andwait until the engine and machine are cooled down. After laying it down, make
sure that there is no fuel or oil leak (if fuel leaks, drain the tank).
3.5.1 Long-Term Storage
- Drain fuel from fuel tank, fuel line and carburetor.
-Remove spark plug and pour a few drops of motor oil into cylinder. Crank engine 3 to 4
times so that oil reaches all internal parts.
-Clean exterior with a cloth soaked in clean oil.
-Store unit covered with plastic sheet in moisture free and dust free location out of direct
sunlight.
16
3.6
amplitude not uniform
Troubleshooting
3.6.1
Rammer Troubleshooting
SYMPTOM
Engine rotates but
or does not strike
POSSIBLE PROBLEM SOLUTION
Operating speed of throttle
lever is incorrectly set?
Oil in excess?
Clutch slips? Replace or adjust clutch.
Spring failure? Replace spiral spring.
Improper engine speed?
Set throttle lever to correct position.
Drain excess oil. Bring to correct level.
Adjust engine speed to correct
operating RPM setting.
17
3.6.2
plug
will not ignite. (Power
tension
Short
circuit
due to deficient
available but spark plug
deposits?
Fuel is inadequate (water, dust)?
Flush
fuel system
and replace
with
fresh
Air filter
clogged?
Clean or replace air filter.
Tighten
cylinder
head
bolts
or
replace
Not enough
Engine Troubleshooting
SYMPTOM
Difficult to start, fuel is
available, but spark
available at high
code.)
Difficult to start, fuel is
will not ignite.(Power
NOT available at high
tension code.)
Fuel is available and
spark plug ignites
(compression normal).
POSSIBLE CAUSES SOLUTION
Ignition plug not properly connected?
Carbon deposit at ignition? Clean or replace ignition.
insulator?
Improper spark plug gap? Set spark plug gap to the correct gap.
Short circuit at stop switch?
Ignition coil defective. Replace ignition coil.
Muffler clogged with carbon
Mixed fuel quality is inadequate? Check fuel to oil mixture.
Check ignition system.
Replace insulators.
Check stop switch circuit. Replace stop
switch if defective.
Clean or replace muffler.
fuel.
Fuel is available and
spark plug ignites
(compression normal).
Operation not
satisfactory-
power available
(compression normal,
no misfiring)
Defective cylinder head gasket?
Cylinder worn?
Spark plug loose?
Air cleaner clogged?
Air in fuel line?
Fuel level in carburetor float
chamber improper?
Carbon deposit in cylinder?
head gasket.
Replace cylinder.
Tighten spark plug.
Clean or replace air cleaner.
Bleed (remove air) from fuel line.
Adjust carburetor float.
Clean or replace cylinder.
18
SYMPTOM
Exhaust or muffler clogged with
Replace spark plug with correct type
clogs.
POSSIBLE CAUSES SOLUTION
Not enough power
available (compression
normal, no misfiring)
Engine overheats.
Rotational speed
fluctuates.
Recoil starter
malfunction.
Ignition coil defective?
Ignition plug shorts?
Fuel is inadequate (water, dust)? Flush fuel system and replace fuel.
Mixed fuel quality is inadequate?
Excessive carbon deposition in
combustion chamber?
carbon?
Spark plug heat value incorrect?
Governor adjustment improper?
Governor spring defective?
Fuel flow restricted?
Air taken in through suction line?
Debris in recoil starter track? Clean recoil starter assembly.
Spiral spring loose?
Flush fuel system and replace fuel.
Replace ignition wires, clean ignition.
Check fuel to oil mixture.
Clean or replace crankcase.
Clean or replace muffler.
spark plug.
Adjust governor to correct lever.
Clean or replace ignition.
Check entire fuel system for leaks or
Check suction line.
Replace spiral spring.
TECHNICAL DATA
4.
Model
Engine type
Engine speed operating RPM
Power (hp)
Weight (lb)
Impact force (kN)
Jumping stroke (in)
Fuel tank capacity (L)
Shoe size (in)
Ramming system lubrication
JX60H
Honda GX100
3800±100
3.0
150
12.8
1.6 - 3.4
0.81 US qt
14 x 11
0.8 L, CD10W-30
19
Working Size(in):
Sound Specification (According to 2000/14/EC)
Measured sound power level
Guaranteed sound power level
Sound power level limit
Hand-Arm Vibration Specification (According to ISO 5394, EN 1033 and EN500-4):
6.8 m/s
2
105 dB (A)
106 dB (A)
108 dB (A)
WARRANTY
Tomahawk products are covered by a Warranty for a period of twelve (12) months from
the date of purchase against defects in material or workmanship provided that:
-The product concerned has been operated and maintained in accordance with the
ating instructions.
oper
-Has not been damaged by accident, misuse or abuse.
-Has not been tampered with or repaired by any unauthorized person.
The owner is responsible for the cost of transportation to and from the authorized
repairer and the unit is at the risk while in transit to and from the repairer.
20
Impact damage is not covered under warranty. Clutches are not covered under any
warranty.
Engines are officially guaranteed by Honda.
MAINTENANCE RECORD
PREVENTATIVE MAINTENANCE AND ROUTINE SERVICE PLAN
Tomahawk TR68H Rammer has been assembled with care and will
provide years of
service. Preventative maintenance and routine service are essential to the long life of
your tamping rammer. Adhere reading through this manual thoroughly, you
that you can do some of the regular maintenance yourself. However, when in
will find
need of
parts or major service, be sure to see your dealer. For your convenience we have
provided this space to record relevant data about your tamping rammer.
Invoice Number:
Date Purchased:
Serial Number:
Type of Machine:
Dealer Name:
Dealer Phone:
REPLACEMENT PARTS USED MAINTENANCE LOG
PART NO. DESCRIPTION QTY COST DATE DATE OPERATION
21
Tomahawk Power, LLC
San Diego, CA
Sales Support
(866) 577-4476
sales@tomahawk-power.com
Service and Registration
support@tomahawk-power.com
www.tomahawk-power.com
17
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