Wacker Neuson CRT 48-31V Operator's Manual
Ride-On Trowels
CRT 48-31V
OPERATOR’S MANUAL
0154550en 006
1006
0154550EN
CRT 48-31V Table of Contents
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1. Foreword 3
2. Safety Information 4
2.1 Laws Pertaining to Spark Arresters ...................................................... 4
2.2 Operating Safety .................................................................................. 5
2.3 Operator Safety while using Internal Combustion Engines .................. 6
2.4 Service Safety ...................................................................................... 7
2.5 Label Locations .................................................................................... 8
2.6 Safety and Operating Labels .............................................................. 10
3. Technical Data 15
3.1 Engine ................................................................................................ 15
3.2 Trowel ................................................................................................. 16
3.3 Sound and Vibration Specifications .................................................... 17
4. Operation 18
4.1 Description ......................................................................................... 18
4.2 Features and Controls ........................................................................ 18
4.3 New Machines .................................................................................... 20
4.4 Before Starting ................................................................................... 21
4.5 Starting ............................................................................................... 21
4.6 Stopping ............................................................................................. 22
4.7 Operation ............................................................................................ 22
4.8 Steering .............................................................................................. 23
4.9 Pitch Adjustment ................................................................................ 24
Table of Contents CRT 48-31V
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5. Maintenance 25
5.1 Periodic Maintenance Schedule ..........................................................25
5.2 Trowel Gearboxes ...............................................................................26
5.3 Control Linkage Lubrication .................................................................27
5.4 Control Arm Adjustment (Forward or Backward) .................................27
5.5 Right-hand Control Arm Adjustment (Right or Left) .............................28
5.6 Switching Blade Positions ...................................................................29
5.7 Mounting Float Pans ...........................................................................30
5.8 Transporting Trowels ...........................................................................31
5.9 Drive Belt .............................................................................................32
5.10 Battery Jump Start Procedure .............................................................34
5.11 Spark Plug ...........................................................................................35
5.12 Air Cleaner ..........................................................................................36
5.13 Engine Oil ............................................................................................37
5.14 Troubleshooting ...................................................................................38
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CALIFORNIA
Proposition 65 Warning:
Engine exhaust, some of its constituents, and certain vehicle
components, contain or emit chemicals known to the State of
California to cause cancer and birth defects or other reproductive
harm.
1. Foreword
This manual provides information and procedures to safely operate
and maintain this Wacker 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 Wacker
Corporation. 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 Wacker Corporation.
The information contained in this manual was based on machines in
production at the time of publication. Wacker Corporation reserves the
right to change any portion of this information without notice.
All rights, especially copying and distribution rights, are reserved.
Copyright 2006 by Wacker Corporation.
No part of this publication may be reproduced in any form or by any
means, electronic or mechanical, including photocopying, without
express written permission from Wacker Corporation.
Any type of reproduction or distribution not authorized by Wacker
Corporation represents an infringement of valid copyrights and will be
prosecuted. We expressly reserve the right to make technical
modifications, even without due notice, which aim at improving our
machines or their safety standards.
WARNING
Safety Information CRT 48-31V
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2. Safety Information
This manual contains DANGER, WARNING, CAUTION, NOTICE 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 a hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury.
NOTICE: Used without the safety alert symbol, NOTICE indicates a
hazardous situation which, if not avoided, could result in property
damage
Note: Contains additional information important to a procedure.
2.1 Laws Pertaining to Spark Arresters
Notice: State Health Safety Codes and Public Resources Codes
specify that in certain locations spark arresters be used on internal
combustion engines that use hydrocarbon fuels. A spark arrester is a
device designed to prevent accidental discharge of sparks or flames
from the engine exhaust. Spark arresters are qualified and rated by
the United States Forest Service for this purpose.
In order to comply with local laws regarding spark arresters, consult
the engine distributor or the local Health and Safety Administrator.
DANGER
WARNING
CAUTION
CRT 48-31V Safety Information
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2.2 Operating Safety
Familiarity and proper training are required for the safe operation of
equipment. Equipment operated improperly or by untrained personnel
can be dangerous. Read the operating instructions contained in both
this manual and the engine manual and familiarize yourself with the
location and proper use of all controls. Inexperienced operators should
receive instruction from someone familiar with the equipment before
being allowed to operate the machine.
2.2.1 NEVER operate this machine in applications for which it is not
intended.
2.2.2 NEVER allow anyone to operate this equipment without proper
training. People operating this equipment must be familiar with the
risks and hazards associated with it.
2.2.3 NEVER touch the engine or muffler while the engine is on or
immediately after it has been turned off. These areas get hot and may
cause burns.
2.2.4 NEVER use accessories or attachments that are not recommended by
Wacker. Damage to equipment and injury to the user may result.
2.2.5 NEVER operate the machine with the beltguard missing. Exposed
drive belt and pulleys create potentially dangerous hazards that can
cause serious injuries.
2.2.6 NEVER leave machine running unattended.
2.2.7 DO NOT run the machine indoors or in an enclosed area such as a
deep trench unless adequate ventilation, through such items as
exhaust fans or hoses, 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.
2.2.8 ALWAYS remain aware of moving parts and keep hands, feet, and
loose clothing away from the moving parts of the equipment.
2.2.9 ALWAYS wear protective clothing appropriate to the job site when
operating equipment.
2.2.10 ALWAYS read, understand, and follow procedures in the Operator’s
Manual before attempting to operate the equipment.
2.2.11 ALWAYS be sure operator is familiar with proper safety precautions
and operation techniques before using machine.
2.2.12 ALWAYS close fuel valve on engines equipped with one when
machine is not being operated.
2.2.13 ALWAYS store the equipment properly when it is not being used.
Equipment should be stored in a clean, dry location out of the reach of
children.
2.2.14 ALWAYS operate the machine with all safety devices and guards in
place and in working order.
WARNING
Safety Information CRT 48-31V
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2.3 Operator Safety while using Internal Combustion Engines
Internal combustion engines present special hazards during operation
and fueling. Read and follow the warning instructions in the engine
owner’s manual and the safety guidelines below. Failure to follow the
warnings and safety guidelines could result in severe injury or death.
2.3.1 DO NOT run the machine indoors or in an enclosed area such as a
deep trench unless adequate ventilation, through such items as
exhaust fans or hoses, 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.
2.3.2 DO NOT smoke while operating the machine.
2.3.3 DO NOT smoke when refueling the engine.
2.3.4 DO NOT refuel a hot or running engine.
2.3.5 DO NOT refuel the engine near an open flame.
2.3.6 DO NOT spill fuel when refueling the engine.
2.3.7 DO NOT run the engine near open flames.
2.3.8 ALWAYS refill the fuel tank in a well-ventilated area.
2.3.9 ALWAYS replace the fuel tank cap after refueling.
2.3.10 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.
DANGER
CRT 48-31V Safety Information
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2.4 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 occasional repairs are necessary.
2.4.1 DO NOT attempt to clean or service the machine while it is running.
Rotating parts can cause severe injury.
2.4.2 DO NOT crank a flooded engine with the spark plug removed on
gasoline-powered engines. Fuel trapped in the cylinder will squirt out
the spark plug opening.
2.4.3 DO NOT test for spark on gasoline-powered engines if the engine is
flooded or the smell of gasoline is present. A stray spark could ignite
the fumes.
2.4.4 DO NOT use gasoline or other types of fuels or flammable solvents to
clean parts, especially in enclosed areas. Fumes from fuels and
solvents can become explosive.
2.4.5 ALWAYS turn engine off and remove key from machine before
performing maintenance or making repairs.
2.4.6 ALWAYS handle blades carefully. The blades can develop sharp
edges which can cause serious cuts.
2.4.7 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.
2.4.8 ALWAYS replace worn or damaged components with spare parts
designed and recommended by Wacker Corporation.
2.4.9 ALWAYS disconnect the spark plug on machines equipped with
gasoline engines, before servicing, to avoid accidental start-up.
2.4.10 ALWAYS switch off the power supply at the battery disconnect before
adjusting or maintaining the electrical equipment.
2.4.11 ALWAYS keep the machine clean and labels legible. Replace all
missing and hard-to-read labels. Labels provide important operating
instructions and warn of dangers and hazards.
WARNING
Safety Information CRT 48-31V
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2.5 Label Locations
CRT 48-31V Safety Information
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Safety Information CRT 48-31V
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2.6 Safety and Operating Labels
Wacker machines use international pictorial labels where needed.
These labels are described below:
Label Meaning
DANGER!
No sparks, flames or burning objects near
machine.
CAUTION!
Use only clean, filtered gasoline fuel.
Water tank fill. Use only clean water or waterbased retardants.
WARNING!
Hot surface!
DANGER!
Engines emit carbon monoxide; operate only
in well-ventilated area.
Read the operator's manual for machine
information.
DANGER!
Before fueling, stop the engine. No sparks,
flames, or burning objects near the machine.
CRT 48-31V Safety Information
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WARNING!
Cutting hazard. Always replace blade guard!
WARNING!
Pressurized contents. Do not open when hot!
WARNING!
Always wear hearing and eye protection when
operating this machine.
Read the operator's manual for machine
information.
WARNING!
Hand injury if caught in moving belt.
Always replace beltguard.
CAUTION!
Lifting point.
Tie-down point.
Key switch, engine start:
Off
On
Start
Label Meaning
Safety Information CRT 48-31V
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WARNING!
Read and understand the supplied Operator’s
Manual before operating this machine. Failure
to do so increases the risk of injury to yourself
or others.
Blade pitch control. Turn both controls inward
to increase blade pitch. Refer to section Pitch
Adjustment.
Operator’s Manual must be stored on
machine. Replacement Operator’s Manual can
be ordered through your local Wacker
distributor.
Steering control. Refer to section Steering.
Label Meaning
CRT 48-31V Safety Information
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WARNING!
Remove pan from trowel before lifting machine
overhead. Pans can fall and cause death or
serious injury if a person is hit. (Located on top
side of float pan.)
WARNING!
Pinching hazard. Rotating machinery.
CAUTION!
Engine oil pressure is low! Stop the engine
and check the oil level.
CAUTION!
Low voltage! Stop the engine and check the
charging system.
CAUTION!
Coolant Temperature is too high. Stop the
engine and check the coolant level.
Use only Glygoyle 460 gear oil in gearbox.
Label Meaning
1 1 8 6 8 8
R e m o v e p a n f r o m t r o w e l b e f o r e l i f t i n g m a c h i n e
o v e r h e a d .
P a n s c a n f a l l a n d c a u s e d e a t h o r s e r i o u s i n j u r y i f
a p e r s o n i s h i t .
G l e i t s c h e i b e v o m B e t o n g l ä t t e r e n t f e r n e n b e v o r
d a s G e r ä t u b e r K o p f h ö h e g e h o b e n w i r d .
G l e i t s c h e i b e k a n n f a l l e n u n d s c h w e r e V e r l e t z u n g
o d e r T o d v e r u r s a c h e n w e n n P e r s o n a l g e t r o f f e n w i r d .
Q u i t e e l d i s c o d e f l o t a c i ó n a n t e s d e l e v a n t a r l a
m á q u i n a a l i s a d o r a d e h o r m i g ó n .
L o s d i s c o s p o d r í a n c a e r y m a t a r o l a s t i m a r
s e r i a m e n t e a u n a p e r s o n a q u e s e e n c u e n t r e c e r c a .
A v a n t d e l e v e r l a p p a r e i l a u - d e s s u s d e v o t r e t ê t e ,
ô t e r l e d i s q u e d e t a l o c h a g e d e l a t r u e l l e .
L e d i s q u e d e t a l o c h a g e p e u t t o m b e r e t e n t r a î n e r
d e g r a v e s b l e s s u r e s o u m ê m e l a m o r t .
Safety Information CRT 48-31V
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A nameplate listing the model number, item
number, revision number, and serial number is
attached to each unit. Please record the
information found on this plate so it will be
available should the nameplate become lost or
damaged. When ordering parts or requesting
service information, you will always be asked
to specify the model number, item number,
revision number, and serial number of the unit.
This machine may be covered by one or more
patents.
Label Meaning
CRT 48-31V Technical Data
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3. Technical Data
3.1 Engine
Par t No.
CRT 48-31V
0009086
CRT 48-31V-E
0009481
Engine
Engine Make Vanguard
Engine Model DM950G
Rated Power
kW (Hp)
23.1 (31)
Displacement
cm³ (in³)
950 (58)
Spark Plug
type
Champion RC12YC
Electrode Gap
mm (in.)
0.76 (0.030)
Engine Speed - full load
rpm
4000
Engine Speed - idle
rpm
1500
Battery
V / size
12 / BCI G24
Fuel
type
Regular unleaded gasoline
Fuel Tank Capacity
l (gal.)
24.6 (6.5)
Fuel Consumption
l (gal.)/hr.
10 (2.6)
Running Time
hrs.
2.5
Clutch
type
variable speed
Low Oil Shutdown yes
Engine Oil Capacity
l (qt.)
3.3 (3.5)
Engine Lubrication
oil grade
SAE 10W30 SH, SJ
Technical Data CRT 48-31V
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3.2 Trowel
Part No.
CRT 48-31V
0009086
Rev. 145
and lower
CRT 48-31V
0009086
Rev. 146
and higher
CRT 48-31V-E
0009481
Rev. 120
and lower
CRT 48-31V-E
0009481
Rev. 121
and higher
Trowel
Operating Weight
kg (lbs.)
562 (1240)
Dimensions (L x W x H)
mm
(in.)
2665 x 1395 x 1330
(105 x 55 x 52)
2530 x 1397 x 1328
(100 x 55 x 52)
Rotor Speed (range)
rpm
25-150
Blade Pitch (range)
degrees
0-25
Gearbox
type
heavy duty, fan cooled
Gearbox Lubrication
type
Mobil Oil
SHC634
Mobil
Glygoyle 460
Mobil Oil
SHC634
Mobil Glygoyle
460
l (oz.)
1.83 (62) each
Driveshaft
type
splined universal joint
Operation
Troweling Width
with pans
(non-overlapping)
without pans
(overlapping)
without pans
(non-overlapping)
mm (in.)
2465 (97)
2515 (99)
--
2465 (97)
--
2413 (95)
Troweling Area
with pans
(non-overlapping)
without pans
(overlapping)
without pans
(non-overlapping)
m2 (ft2)
3 (32)
3.2 (34)
--
3 (32)
--
2.8 (30)
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