Multiquip T23 User Manual

PARTS AND OPERATION MANUAL

Tandem Vibratory Roller

T23, T26, T33

© COPYRIGHT 20001, MULTIQUIP INC.

Revision #4 (03/12/01)

MULTIQUIP INC. PARTS DEPARTMENT:

18910 WILMINGTON AVE. 800-427-1244
CARSON, CALIFORNIA 90746 FAX: [phone]
310-537-3700
800-421-1244 800-478-1244
F AX: 310-537-3927 F AX: 310-537-4259

E-mail:[e-mail] • www:multiquip.com

Atlanta • Boise • Dallas • Houston • Newark
Montreal, Canada • Manchester, UK
Rio De Janiero, Brazil • Guadalajara, Mexico

SERVICE DEPARTMENT:

HERE'S HOW TO GET HELP

PLEASE HAVE THE MODEL AND SERIAL NUMBER
ON-HAND WHEN CALLING

PARTS DEPARTMENT

800-427-1244 or 310-537-3700
FAX: [phone] or 310-637-3284

SERVICE DEPARTMENT/TECHNICAL ASSISTANCE

800-478-1244 or 310-537-3700
FAX: [phone]

WARRANTY DEPARTMENT

888-661-4279, or 310-661-4279
FAX: [phone]

MAIN

800-421-1244 or 310-537-3700
FAX: [phone]

Asphalt Roller: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #3 (07/26/99) — PAGE 3

PARTS ORDERING PROCEDURES

■■

■ Dealer account number

■■

■■

■ Dealer name and address

■■

■■

■ Shipping address (if different than billing address)

■■

■■

■ Return fax number

■■

■■

■ Applicable model number

■■

■■

■ Quantity, part number and description of each part

■■

■■

■ Specify preferred method of shipment:

■■

UPS Ground

•

UPS Second Day or Third Day*

•

UPS Next Day*

•

Federal Express Priority One (please provide us with your Federal

•

Express account number)*
Airborne Express*

•

Truck or parcel post

•

*Normally shipped the same day the order is received, if prior to 2PM west coast time.

Earn Extra Discounts when

you order by FAX!

All parts orders which include complete par t numbers
and are received by fax qualify for the following extra
discounts:

Number of
line items ordered Additional Discount

1-9 items 3%
10+ items** 5%

Get special freight allowances
when you order 10 or more
line items via FAX!**

■■

■

UPS Ground Service at no charge for freight

■■

■■

■

PS Third Day Service at one-half of actual freight cost

■■

No other allowances on freight shipped by an y other carrier.
**Common nuts, bolts and washers (all items under $1.00 list price)

do not count towards the 10+ line items.

Extra Fax Discount

for Domestic USA

Dealers Only

Now! Direct TOLL-FREE access

to our Parts Department!

Toll-free nationwide:

800-421-1244

Toll-free FAX:

*DISCOUNTS ARE SUBJECT TO CHANGE*

Fax order discount and UPS special programs revised June 1, 1995

800/6-PARTS-7 • 800-672-7877

PAGE 4 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

TABLE OF CONTENTS

Here's how To Get Help .......................................... 3

Parts Ordering Procedures ..................................... 4

Table Of Contents ................................................... 5

TANDEM ROLLER: T23, T26, T33

Specifications .......................................................... 6

Explanation Of Codes In Remarks Column ............ 8

Suggested Spare Parts........................................... 9

Safety Instructions ........................................... 10-13

Operation ......................................................... 14-23

Hydraulic & Electrical ............................................ 24

Maintenance and Repair ................................. 25-38

Drum Traveling ................................................. 40-41

Vibration Drum ................................................. 42-45

Scraper Front Chassis ..................................... 46-47

Scraper Rear Chassis......................................48-49

Gravity Sprinkler .............................................. 50-51

Chassis Front ................................................... 52-55

Engine Hood .................................................... 56-57

F ront Water Tank .............................................. 58-59

Chassis Rear.................................................... 60-63

Operator Platform ............................................ 64-71

Rear W ater Tank............................................... 72-73

Driver’s Seat.....................................................74-75

Additional Weight ............................................. 76-77

Stabilizer Bar....................................................78-79

Articulating Joint .............................................. 80-81

Steering Cylinder ............................................. 82-83

Engine .............................................................. 84-87

Engine Radiator ............................................... 88-89

Engine Service Parts........................................ 90-91

Engine Electric Comp....................................... 92-93

PTO Pump........................................................ 94-97

Components...................................................98-103

Flow Divider ................................................. 104-105

Suction Leak Pipe ........................................106-107

Hydraulic Hoses ...........................................108-115

Reversing Electrical ..................................... 116-117

Sprinkler & Vibration Electrical`.................... 118-119

Ignition Switch Electrical............................... 120-121

Battery.......................................................... 122-123

Instrument Panel..........................................124-125

Instrument Panel Electrical .......................... 126-127

Decals .......................................................... 128-131

Flow Divider ................................................. 132-133

Towing Valve................................................. 134-135

Brake Release Valve .................................... 136-137

Vibration Rear .............................................. 138-139

Vibration Cut-Off Rear ................................. 140-141

Pressure Testing Connections ..................... 142-143

Cover ........................................................... 144-145

Headlights .................................................... 146-149

Strobe Light.................................................. 150-151

Back-Up Signal ............................................ 152-153

Automatic Vibration ...................................... 154-155

Pressurized Sprinkling System .................... 156-159

Interval Sprinkling ........................................ 160-161

Special Sprinkler .......................................... 162-163

Reversing Lever Left.................................... 164-165

Battery Disconnection Switch....................... 166-167

Seat Heating ................................................ 168-169

ROPS ........................................................... 170-175

Cabin............................................................ 176-177

Lock Pin ....................................................... 178-179

Tiltable Scraper............................................ 180-181

YANMAR 3TNE88 ENGINE

Cylinder Block .............................................. 182-183

Gear Housing............................................... 184-185

Flywheel Housing & Oil Sump...................... 186-187

Cylinder Head & Bonnet............................... 188-189

Suction Manifold & Air Cleaner .................... 192-193

Exhaust Manifold & Silencer ........................194-195

Camshaft & Drive Gear................................ 196-197

Crankshaft & Piston ..................................... 198-199

Lub. Oil System ............................................ 200-201

Cooling W ater System .................................. 202-204

Fuel Injection Pump .....................................206-208

Governor......................................................210-212

Fuel Injection Valve ...................................... 214-216

Fuel Strainer & Oil/Water Separator ............ 218-219

Engine Stop Device...................................... 220-221

Star ting Motor..............................................222-223

Generator (Old Style)................................... 224-225

Generator (New Style) ................................. 226-227

Gasket Set ................................................... 228-229

Te r ms and Conditions Of Sale — parts .............. 230

NOTE: Specification and part number are subject to change without notice.

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 5

SPECIFICATIONS

T23 T26 T33

L ...................... 99.80" ...............99.80"...............99.80"

L1 .................... 94.10" ...............94.10"...............94.10"

B...................... 43.50" ...............51.58"...............55.51"

W..................... 39.37" ...............47.24"...............51.18"

W1................... 40.95"...............48.82"...............52.76"

H...................... 98.43" ...............98.43"...............98.43"

H1.................... 78.35" ...............78.35"...............78.35"

H2.................... 72.44" ...............72.44"...............72.44"

D...................... 29.13" ...............29.13"...............29.13"

A...................... 64.96" ...............64.96"...............64.96"

K...................... 10.63" ...............10.63"...............10.63"

V...................... 1.57" .................1.57".................1.57"

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PAGE 6 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

NOTE PAGE

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 7

EXPLANATION OF CODE IN REMARK COLUMN

How to read the marks and remarks used in this parts book.

Section 1: Items Found In the “Remarks” Column

Serial Numbers-Where indicated, this indicates a serial
number range (inclusive) where a particular part is used.

Model Number-Where indicated, this shows that the
corresponding part is utilized only with this specific model
number or model number variant.

Section 2: Items Found In the “Remarks” Column

Serial Numbers-Where indicated, this indicates a serial number
range (inclusive) where a particular part is used.

Model Number-Where indicated, this shows that the
corresponding part is utilized only with this specific model number
or model number variant.

Section 3: Items Found In the “Items Number” Column

All parts with same symbol in the number column,

■

, belong to the same assembly or kit.

Note: If more than one of the same reference number is listed,
the last one listed indicates newest (or latest) part available.

If more than one of the same reference number is
listed, the last one listed indicates newest (or latest)
part available.

, #, +, %, or

*

NOTE

NOTE

The contents of this catalog are
subject to change without notice

.

PAGE 8 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

T23, T26, T33 w/YANMAR 3TNE88 DIESEL ENGINE

1 to 3 Units

Qty. P/N Description

5 ............AVL14607 ............. KEY IGNITION SWITCH

5 ............AVL921970 ........... KEY FUEL CAP

6 ............12142212570 ........ FILTER AIR INNER

6 ............12142012511 ........ FILTER AIR OUTER

6 ............12915035151 ........ FILTER OIL

6 ............12910055650 ........ FILTER FUEL

3 ............AVL921710 ........... FILTER WATER

3 ............AVL921198 ........... FILTER SUCTION

3 ............AVL824900 ........... SCREEN WATER TANK

Par t numbers on this Suggested
Spare Par ts List may supercede/
replace the P/N shown in the text
pages of this book.

SUGGESTED SPARE PARTS

NOTE

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 9

SAFETY INSTRUCTIONS

Starting the machine

Start up the roller from the driver seat only.

Operating the machine
When the roller is being operated there must be no one in

front or behind the roller.

WARNING!
KEEP YOUR DISTANCE FROM SIDE-SLOPES AND ROCKS!
THE MACHINE CAN EASILY SLIDE OFF SLOPES! DO NOT

DRIVE OVER ROCKS!

DANGER OF OVERTURNING!

Be aware of the hazards stated below:

1. Flat surfaces may not have uniform soil density

2. Hollow spaces or rocks might be below the surface

3. Clay ground can be slippery when it is wet

4. Danger of sliding sidewards is higher , when vibr ating

5. Sharp steering maneuvers (turns), near side slopes can
increase the danger of overturning

6. Central articulated machines are more dangerous near
side-slopes during sharp steering maneuvers (turns).

Rollover protection structure (R O P S)

Please check the following:

■

The machine frame should not be bent or cracked around
the ROPS bolt on area.

■

There are no hairline cracks or open cracks.

■

All screw connections are correctly tightened (check
correct torque).

■

Bolts and nuts must be undamaged.

■

Operating the machine

Any persons in the vicinity of the roller , while it is being operated,

must maintain a safe minimum distance of 3 feet (1m) for
their own safety.

Seatbelt

The driver must always wear the seatbelt.

ROPS must be folded up when operating machine.

PAGE 10 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

SAFETY INSTRUCTIONS

No modifications may be made on the ROPS without
authorization from the manufacturer!

Never operate the machine with the ROPS in the tilted position.

Noise level:

The following noise levels have been measured according to
the CE regulations 98/68/EWG,

■

Engine at nominal RPM

■

Microphone fixed at 1, 2m height

Measurement conditions:

■

Hard ground, no snow , dry within 20 m., no noise reflecting
objects.

■

Wind noise must be below 10dB(A) of the measured
machine noise values.

■

Noise level indications according to annex 1, Chapter

1.7.4 f of the CE machines specifications

Noise at driver’s ear: 77.5 dB(A)
Constant noise level at 7m distance: 66.1 dB(A)

Safety stickers on the machine

■

Keep safety stickers and safety plates clean and readable.

■

All instructions have to be followed.

■

Damaged or incomplete stickers must be replaced
immediately.

➜

While working on the machine or on moving parts of the
machine, never wear a scarf, tie, bracelet or loose clothing.
Should the machine catch those items, severe injuries could be
caused.

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 11

SAFETY INSTRUCTIONS

Never work under a machine which is held by a crane or by a
jack. Never stand beneath a machine that has been lifted. Always
follow the instructions given in this manual.

Signs / warnings

Danger of intoxication!

Never let the machine run in a closed room.
Battery gases are explosive.
Keep the battery away from fire, flames and sparks.

DANGER OF EYE INJURY!

The sulfuric acid in the electrolyte of the battery is poisonous
and aggressive. It can burn holes into clothes. A squirt of this
acid in the eyes can lead to blindness.

Re-charging safety instructions:

■

Recharge battery only in well ventilated rooms.

■

Wear eye protection and gloves.

■

Do avoid breathing in gases and fumes.

■

Refill without splashing the acid.

■

Start by means of a starter /second battery has to be done
following the instructions.

To take off the water cooler cover on a stopped engine, first
loosen the cover slightly to release the pressure. Remove the
cover only after the pressure is released.

To control the acid lev el of the battery , use a torch. Ne ver check
the battery charge by connecting the two poles with a metallic
tool. Take an acid control instrument or use a voltmeter .

Always disconnect the ground (-) first and always re-connect it
last.

WARNING: Never remove the radiator cover on a
running engine!

Attention: Danger of burning

PAGE 12 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

SAFETY INSTRUCTIONS

Operating the rollers

1. Only reliable and qualified persons, at least 18 years old
are to operate rollers.

2. The manufacturer’ s operating and security instructions are
to be observed.

Running

3. Rollers are only to be operated with all the protection
facilities.

4. Before starting work, steering and brakes must be checked.
The machine should not be run if any defects are noticed.

5. Before beginning a working shift the driver must check the
effectiveness of operation and the security installation and
protection facilities.

6. If defects on security installations or any other defects are
noticed that affect the safe operation of the roller, the
supervisor is to be informed immediately .

7. Operating the roller must be stopped if defects endanger
operating security .

17. Valid f or all rollers: It is possib le that the allowab le sound

18. While driving, the doors must be closed.

Maintenance

19. Maintenance and repair work may only be done while the

20. Before working on hydraulic tubes and hoses, pressure in

21. Before working on electrical system of the machine, the

22. After the termination of maintenance and repair work,

level of 90 dB(A) can be exceeded on the above stated
rollers. Due to the regulations for prevention of accident
“noise” (VBG 121), machine operators, or persons who
are in immediate environment of the machine must wear
ear defenders, if the sound level reaches or exceeds an

estimated 90 dB(A). . . . AND WITH CABINS (optional)

transmission is not in operation. Only exception: if work
cannot be carried out without drive engaged.

the hydraulic system has to be released.

battery must be disconnected. It must be either removed
or covered with isolating material. This is not valid for
repairs where electrical power is necessary .

protection facilities have to be reinstalled as prescribed.

8. The roller must only be operated from the driver’ s seat.

9. Servicing or maintenance of the roller must be done only
while the roller is standing still and secured against rolling
away. When filling up the fuel tank, the motor is to be
switched off.

10. Rollers may not be driven downhill out of gear, (free­wheeling) use the hydrostatic transmission to control the
speed of the roller .

11. Especially on slopes, rollers have to be driven or parked
in such a way that they cannot overturn.

12. The driver has to keep the driver’ s platform and tread steps
free of obstructions, grease, dirt, ice, etc.

13. Visibility in the driving and working area must not be
restricted.

14. Before leaving the driver’ s stand, the parking brake m ust
be engaged. If your roller has a hydrostatic drive, the
reversing control lever is to be put in “0” position.

15. Before leaving the roller , the driver has to turn off the engine.
The roller has to be secured against unauthorized
operation and against rolling off.

16. Parked rollers representing an obstacle have to be secured
by obvious measures.

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 13

OPERATION

General Layout

1) Engine oil drain plug

2) Hydraulic oil drain plug

3) Fuel filler cap

4) Cap, front water tank

5) Cap, rear water tank

➍

➊

➋

1) Central lifting hook

2) Accelerator lever

3) Engine and hydraulic oil filters

4) Fuel drain plug

➎

➌

1) Drive lever

2) Articulation lock

3) Sight glass, hydraulic oil level

4) Rear sprinkler tube, scraper

5) Tool box

➎

➊

➍

➌

1) Emergency stop switch

2) Ignition switch

3) Machine plate

4) Rear water filter, sprinkling system

➋

5) Front sprinkler tube, scraper

➊

➎

➍

➋

➌

➍

➊

➋

➌

PAGE 14 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

OPERATION

1) Warning light – engine oil pressure

2) Warning light – cooling water temperature

3) Warning light – charging system

4) Hour meter

5) Warning light – low fuel level

6) Warning light – charge / brake pressure

7) Spare

8) Selector switch – vibration front or front and back

9) Sprinkler switch

10) Light switch
0 – off
1 –parking lights
2 –head lights

11) Hazard warning button

12) Rotary warning beacon (optional equipment)

13) Working lamp (optional equipment)

14) Horn button

15) Indicator left/right (located on right side of column)

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 15

OPERATION

16) Emergency stop switch

Engine starting

1. Ignition lock

P...................................................................... PARK

0 ...................................................................... OFF

I. ...................................................................... Ignition

I I....................................................................... Pre-heat

III...................................................................... Start

Bring into 0 position

3. Speed adjustment lever

Move the accelerator lever to the idle position (moving
downwards)

4. Ignition switch

Turn clockwise to position III. When the outside temperature
is below 0° C, first turn the ignition switch to position II and

2. Reversing lever

PAGE 16 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

OPERATION

wait until the preheat indicator on the instrument panel
goes off, then continue turning the switch to position III for
starting.

Driving / operating the machine

1. Speed adjustment lever – vibrating

Pull the lev er up and then towards the driver’ s seat. Lock it
in the 2400-rpm position.

2. Forward travel

Move the tra v el le v er f orward slo wly.

3. Reverse travel

Move the tra v el lever back slowly.

4. Speed adjustment lever – travelling

To move the machine from one site to another one , put the
accelerator lever into the 2700 rpm position (pull it up and
push it forward).

1 – Idling speed

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 17

OPERATION

2 – Working speed (2400 rpm)
3 – Transporting speed (2700 rpm)

Service brake / engine shut-down

Application of service brake

Move the driv e lever slo wly into neutral (0) position. The machine
is automatically braked by the hydrostatic transmission.

Move the drive lever slowly into neutral (0) position as shown
above.

Engine shut-down

PAGE 18 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

OPERATION

Move the accelerator lever downward to the idling position.

Engine shut-down

Turn the ignition key counter-clockwise to the (0) position.

Emergency stop switch

side of the steering column.

Emergency stop

In case of an emergency, bring the machine to a standstill by

➊

pressing the EMERGENCY STOP BUTTON.

Release the emergency stop

Location of EMERGENCY STOP BUTTON

The EMERGENCY STOP BUTTON (1) is located on the R.H.

To release the emergency stop, the driv e lever has to be brought
to neutral (0) position.

Release the emergency stop

T urn the emergency stop b utton slightly in the direction indicated
by the arrows until it snaps out.

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 19

OPERATION

Driver’s seat

1. Forward/backward adjustment

Pull the longitudinal adjustment lever outward and set the
seat to the desired position.

➜

2. Adjustment of back rest

Pull the backrest adjustment lever upwards and set the
backrest to the desired position.

3. Weight adjustment

Push the lever (1) downward to the desired weight
adjustment (9 weight steps from 50 kg to 130 kg
av ailable). To decrease the weight adjustment, push
the lever fully to the bottom against the stop: The lever
comes back automatically to the 50 kg position.

Never pull the adjustment lever upwards!

➊

Please note!

➜

The driver seat must not be adjusted while the vehicle is in
motion: DANGER OF ACCIDENT!

This driver seat helps to keep you health y . Therefore appropriate
care and maintenance is recommended.

PAGE 20 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

OPERATION

Sprinkler system

1. Water tank

Fill water tank (1a + 1b).

1a

2. Turn sprinkler on and off

Put the sprinkler system on and off by turning the
corresponding switch.

1b

SPRINKLER WITH FOOT OPERATED SWITCH

This function is possible if the ignition is turned on. If you need
water , push the s witch (1) and the sprinkling system works. If
you release the s witch (1), the sprinkling system will stop. The
sprinkler foot switch will work only if the main sprinkler switch is
turned off.

1

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 21

OPERATION

Water tank, sprinkler, frost warning

Cleaning

If necessary , clean the water tanks (1) with the sie ves, the front
and rear sprinkler tubes with the sprinkler nozzles (2) and . . .

➊

➊

Frost Warning

In the event of frost warning, completely empty the sprinkling
system and remove the filter sieve from the housing. Please
proceed as follows:

1) Remove filter housing.

2) Drain water.

3) Switch on sprinkler system to drain remaining water in the

➋

➋

.....the water filters, located under the front and the back grill.

tubes.

PAGE 22 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

OPERATION

Single / double vibration

1. Switch on vibration

Press shortly the vibration switch on the drive lever handle.

2. Switch off the vibration

Again press shortly the vibration switch on the driver
lever handle.

Attention

Only engage the vibration when the throttle lever is set to a
working speed.

Vibration at the front only

To put on the front vibration only, turn the vibration selector
switch counter-clockwise.

Vibration front and rear

To put on the front and rear vibration, turn the vibration selector
switch clockwise.

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 23

HYDRAULIC AND ELECTRIC

Hydraulic components

1) Vibration valve rear

2) Vibration valve front

3) Vibration pump

4) Drive pump

5) Steering and charge pump

➍

➊

➌

Vibration control valve rear

➜

➋

Vibration control valve front

➎

➜

1) Drive circuit, ports A & B

2) Leak oil hose

3) Brake pressure hose

➊

➌

➋

➊

PAGE 24 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

MAINTENANCE & REPAIR

Open engine hood

1. Bonnet fastener

Release fasteners (1) on both sides of machine.

➊

2. Hood
Open engine hood.

Attention:

Warning!
Do not open the engine hood before the engine is stopped. A

Danger of injury to your hands or fingers exists!

Warning!

Work on the engine only when the engine has cooled down.

Danger of being burned!

Fuses

Guide the engine hood carefully until the retaining cable is fully
stretched. Do not slam it open.

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 25

MAINTENANCE & REPAIR

Open front water tank

1. Pull front grill open.

➜

2. Disconnect the water hose (quick coupler).

3. Release both rubber latches.

If rubber latches are opened and the water hose is disconnected

The water tank can be lifted up and tilted back.

➜

➜

➜

PAGE 26 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

MAINTENANCE & REPAIR

Electrical components – engine

The electrical components for the engine are located at the
front end of the engine, just above the drive pump.

1) Relay (K31), stop solenoid.

2) Timer (K30) for relay of stop solenoid.

3) Starter relay (K14), 70A.

Fuses

4 — F1, stop solenoid pulling coil (30A).
5 — F2 stop solenoid holding coil (7.5A).
6 — F3, vibration (10A).
7 — F4, horn, oil cooler fan, water pump (15A).

Electrical components lighting system

The electrical components for the lighting system are located in

➌

➋

the steering column.

Attachment to the central loading hook

Suspend the machine on the crane hook (1).

➍
➎

➏

➊

➐

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 27

MAINTENANCE & REPAIR

Maintenance – towing, lifting of machine

Towing

Only tow the machine in case of emergency for the purpose of
moving it out of the hazard area (max. 10 m).

Transport the machine by using a truck or low loader .
Over a longer distance, the machine may only be towed with a

tow bar (max. 500 m / 1Km/h), and the brake must be released

Max.
10 m

➜

Max.
10 m

Warning:

Never stand under lifted machine while loading or unloading it.
Use only safe ramps. While transporting the machine, it must
be secured against rolling, sliding and tipping over!

Attachment to the 4-point lifting brackets

Suspend the machine by attaching an appropriate wire rope to

➜

the 4-point lifting hooks.

Warning:

Never stand under lifted machine while loading or unloading it.

(see sheet release brake).

Articulation lock

Fix the articulation lock before lifting the machine.

Use only safe ramps. While transporting the machine, it must
be secured against rolling, sliding and tipping over!

Release brake

➊

PAGE 28 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)

MAINTENANCE & REPAIR

Front drive motor (1)
Rear drive motor (1)
Release of spring brake

Remove plug (1).

➊

Install bolt M12X35 with washer (2) in its place.
(In pocket behind seat)

Attention!

Compared to the A4VG28 drive pump installed up to Serial

➊

➊

➋

Number 0899, this pump does no more have the possibility to
slacken the relief valve cartridges (1) to open the by-pass.
Should the machine really need to be towed away, the main
ports A and B on the drive pump would have to be connected to
each other .

After towing the machine with released brakes, braking
mode must be re-established.

Change / add hydraulic oil

➊

➊

TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01) — PAGE 29

1) Hydraulic tank breather

Slacken the breather to release the tank pressure,
otherwise it is impossible to top up oil.

2) Oil drain plug

➊

Unscrew the oil drain plug (1) and drain the oil into a pan.
Then screw the oil drain plug back in again.

Filling capacity of hydraulic system: 48L

3) Oil filter

MAINTENANCE & REPAIR

Remove hydraulic oil filter with the special wrench (wrench
(1) with the ref.390159 is supplied with the machine) in
pocket behind seat.

4) Hydraulic oil

➊

Fit a new hydraulic oil filter onto the filter cap. Refill fresh
hydraulic oil through the filter housing and re-install filter .
Retighten tank breather.

Attention:
Never remove the filter cap before any dirt around the

neck has been cleaned off! Always change filter and oil at
the same time. First oil change after 500h, then every
2000h, but at least once a y ear.

➊

Main components

PAGE 30 — TANDEM ROLLER: T23, T26, T33 — PARTS & OPERATION MANUAL — REV. #4 (03/12/01)