Wynn Marine 1850 EXTERNAL Series User manual

Doc 1 – Issue 2 Page 1 of 16
INSTALLATION AND MAINTENANCE
INSTRUCTIONS FOR THE
1850 EXTERNAL SERIES
SINGLE STATION
WINDSCREEN WIPER SYSTEM
WITH WIRING FOR
MULTI-SPEED CONTROL SWITCH.
Wynn Marine Ltd.
2-4 Merse Road, North Moons Moat, Redditch, B98 9HL, United Kingdom
Tel: [phone], Fax: [phone]
Email: [e-mail], website: www.wynn.co.uk

Doc 1 – Issue 2 Page 2 of 16
CONTENTS
CONTENTS...........................................................................................................................2
GENERAL INFORMATION AND SAFETY SUMMARY ...................................................3
Safety Precautions ..............................................................................................................3
Introduction........................................................................................................................3
Functional and Equipment Description of System...............................................................3
CHAPTER 1 ..........................................................................................................................4
Wiper Motor Assembly...................................................................................................4
1850 0 – range arms ...............................................................................................................6
Cranked Arms – Outboard Facing Spindles ........................................................................6
1850 1 – range arms ...............................................................................................................7
Straight Arms – Inboard Facing Spindles............................................................................7
CHAPTER 2 ..........................................................................................................................8
Installation Instructions.......................................................................................................8
Drilling Diagram ............................................................................................................8
Fitting the Wiper Motor Assembly..................................................................................8
Fitting the Wiper Blade...................................................................................................9
Fitting the Wiper Arm Assembly ....................................................................................9
CHAPTER 3 ........................................................................................................................10
Maintenance .....................................................................................................................10
Introduction ..................................................................................................................10
Safety Precautions ........................................................................................................10
Scheduled Maintenance Action Check ..........................................................................10
Table 1 .........................................................................................................................10
CHAPTER 4 ........................................................................................................................11
Troubleshooting................................................................................................................11
Introduction ..................................................................................................................11
Safety Precautions ........................................................................................................11
Troubleshooting Procedures..........................................................................................11
Table 2 .........................................................................................................................11
Table 2 - Continued ......................................................................................................12
CHAPTER 5 ........................................................................................................................13
The Extractor....................................................................................................................13
Switch Operation – Multi-Switch......................................................................................13
SPARES LIST......................................................................................................................14

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GENERAL INFORMATION AND SAFETY
SUMMARY
As we will have no influence over installation of complete windscreen wiper systems if
carried out by the customer, we are unable to accept liability for installation errors.
If you require any additional information or any special problems arise which the installation -
maintenance instructions do not treat in sufficient detail, please contact us directly.
Safety Precautions
CAUTION! BEWARE OF INJURY!
BEFORE WORKING ON THE WIPER SYSTEM, OBSERVE THE FOLLOWING
REMARKS WITHOUT FAIL!
Most wiper motors have a park setting, which permits them to default to the parked position if
connected to the vehicle electrical system, even when the wiper is switched off. F OR T HIS
R EASON , A T T HIS P OINT I N T IME , N EITHER M AY THE W IPER A RM B E M OUNTED , N OR
M AY A NY P ERSON H AVE H ANDS , F INGERS , ETC. A NYWHERE N EAR THE W IPER S YSTEM .
Even small wiper motors can neither be braked nor stopped by hand.
N EVER R EACH I NTO THE A REA OF THE R OD L INKAGE W HEN T HE S YSTEM IS R UNNING !
When putting into service (i.e. when connecting the wiper motor to the vehicle electrical
system, even if the wiper switch is in the 0 position), never leave any loose items such as
screwdrivers in the area of the wiper system, as flying objects could lead to injury.
Please ensure the equipment is handled with care. Do not drop or bang the equipment down
on a hard surface taking extra care around the area where the motor shaft is situated. Do not
hammer the motor shaft when installing the equipment, as this will cause the motor gear plate
to deform causing premature failure of the unit.
Introduction
The Windscreen Wiper system utilised is detailed on the following pages. The primary
components that form the Windscreen Wiper System are the wiper motor linkage, the wiper
arm assemblies and wiper blades.
Functional and Equipment Description of System
The wiper motor/bracket unit fitted inside the sealed external mounting box. The electric
wiper motor forms the central part of the windshield wiper system. The motor is mounted on
a fabricated mild steel bracket which is polyester powder coated to prevent corrosion.
The drive lever is secured to the wiper motor shaft and connected through a tie bar, to the
spindle lever assembly. The drive mechanism provided transfers the rotary output from the
motor; to a reciprocating motion of the spindles, this mechanism is zinc plated and is sized to
give the correct angle of arc for the windscreen wiper arm being driven.
The Spindles that drive the wiper arms pass through the external mounting box, connecting
the drive mechanism to the wiper arm; these are manufactured from stainless steel, to prevent
corrosion.

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CHAPTER 1
Wiper Motor Assembly
BRACKET POSITION
INBOARD SPINDLES
BRACKET POSITION
OUTBOARD SPINDLES
162 CRS 162 CRS
127
CRS
50 CRS
ARC OF
WIPE
ARC OF
WIPE
SHOWS OTHER SIDE
OF PARK POSITION
MOTOR vDC Code
100860/3 12v 12V
100865/2 24v 24V
1850
L
***
*
**
**
*
L
DENOTES
LINKAGE
(OUTSIDE LOOKING IN)
PARK POSITION Code
PARK ABOVE LEFT A
PARK ABOVE RIGHT B
PARK BELOW LEFT C
PARK BELOW RIGHT D
ANGLE OF ARC
Angle Code
45° 45
50° 50
55° 55
60° 60
65° 65
70° 70
75° 75
80° 80
85° 85
90° 90
FACING
(SPINDLES) Code
INBOARD 1B
OUTBOARD 0B
M
DENOTES
INMAR

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162 CRS
324 CRS
104
127
CRS
348
243
45 CRS
162 CRS
324 CRS
104
127
CRS
348
243
45 CRS
UNIT SHOWN
PARK ABOVE LEFT
SPINDLES INBOARD
UNIT SHOWN
PARK BELOW RIGHT
SPINDLES OUTBOARD
VIEW ON
OUTSIDE
LOOKING IN
C
L
C
L
C
L
C
L

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1850 0 – RANGE ARMS
Cranked Arms – Outboard Facing Spindles
500 - 650 ARMS
150
700 -950 ARMS
150
Showing - Heater & Wash Jet
14
20
Showing - Wash Jet

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1850 1 – RANGE ARMS
Straight Arms – Inboard Facing Spindles
Showing - Heater & Wash Jet
14
20
500 - 950 ARMS
500 - 950 ARMS
Showing - Wash Jet
Length Code
500mm 0500
550mm 0550
600mm 0600
650mm 0650
700mm 0700
750mm 0750
800mm 0800
850mm 0850
900mm 0900
950mm 0950
1850
*
*
****
***
**
Spring Colour Code
80012000 Blue C
80012100 Red D
80012200 Black E
Heater / Jet Code
Heater Fitted HT0
Jet Fitted
-Left (15032300) LTJ
-Right (15032400) RTJ
Heater and Jet Fitted
-Left LHJ
-Right RHJ
Neither N0N
Blade Clip Code
14 MM 14
(80348800)
20 MM 20
(80349000)
Code Reference:
All '0' & '1's are numbers not letters.
Arm Type Code
In Board 1
(Straight)
Out Board 0
(set in 150mm)

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CHAPTER 2
Installation Instructions
These instructions are meant as a guide. If you experience any difficulty in the fitting of these
units, please do not hesitate to contact us for advice.
Drilling Diagram
NOTE - Drilling Diagram is NOT to size and is for reference only
Fitting the Wiper Motor Assembly
When the mounting holes have been drilled in the bulkhead, the following procedures apply.
1. Fit the Motor Unit and fix in place through the predrilled mounting holes (Fixing bolts
not supplied)
2. ENSURE a proprietary sealant (Not supplied) is used around all points of entry
through the bulkhead.
3. Connect the Ship’s wiring to the Motor.
4. Remove the M8 Nut caps, M8 Nylock Nuts and M8 Flat Washers, from the spindles,
prior to fitting the Arms, and keep safe.
DRILLING DIAGRAM
162 CRS
127
CRS
45 CRS
162 CRS
104
3 HOLES Ø11mm
WIRING CONNCTION CODE
PLUG MOTOR
(5) 53 SLOW SPEED
(3) 53a +VE SUPPLY & SELF-PARK FEED
(6) 53b FAST SPEED
(2) 31b SELF-PARK REVERSAL FEED
(4) 31 -VE SUPPLY
(1) NOT CONNECTED
53b 53 31
53a 31b NC
INSULATED EARTH
RETURN
(3) (2) (1)
(6) (5) (4)
CONNECTOR(REAR VIEW)

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TO BE AT THE
CAPTIVE CLIP
TOP OF SCREEN
Fitting the Wiper Blade
1. Remove the Blade Retaining Screw and Nut from the Blade
Clip on the Main Arm.
2. Place the Wiper Blade into the Blade Clip.
(Note If only one end of blade rubber captive, it must be at top of
the screen.)
3. Ensure that all the fixing holes align. Secure in place with the
Blade Retaining Screw and Nut. Important DO NOT over
tighten the Blade Retaining Screw and Nut, as the Blade is
required to pivot on the glass.
4. The wiper blades should be changed every 6 months but this is
dependent on use and operating conditions.
(Wiper Blades - Ref Table1, Page 10 & Table 2 – continued, Page 12)
Fitting the Wiper Arm Assembly
IMPORTANT: - the Blade must be fitted to the Arm prior to the Arm being fitted. (This is
to prevent the Blade Clip damaging the screen,)
1. Run the Motor to insure it is parked correctly, and then disconnect all Electrical Power.
2. While the Unit is being run, it is IMPORTANT to observe the direction the drive
spindle rotates in immediately before it stops. This direction will give the PARK
POSITION.
3. Fit the Arm onto the Spindle allowing the Blade to lie approx 50-
75mm from the edge of the glass in the PARKED POSITION.
4. Fit a M8 Flat Washer on to the spindle next to the Arm Head, then a
M8 Nylock Nut.
5. Only tighten the Nut sufficiently to allow the Arm and Blade to
travel across the glass when the Motor is run to see if the
positioning is correct.
6. If incorrectly positioned - DO NOT ATTEMPT TO ROTATE OR
TWIST THE ARM ON THE SPINDLE this will damage the
splined end of the drive spindle, resulting in the Arm and Blade
slipping in operation.
7. To correct alignment errors, - loosen the Nut and gently pull the Arm up the Spindle,
realign and repeat stages above.
(Arm Extractor Tool is available see Page 13 for instructions)
8. When correctly aligned, tighten the M8 Spindle Nut 20Nm. Then fit the Weather Cap
supplied with the Linkage.

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CHAPTER 3
Maintenance
Introduction
This chapter contains all preventative maintenance and removal and replacement procedures
for the windscreen wiper components. Preventative maintenance procedures include the
information required to replace the wiper blades.
Safety Precautions
Always disconnect the power when servicing the Windscreen Wiper System, or on any
ancillary components. Serious damage to the Equipment and/or Personal Injury may occur if
the power is not disconnected.
Scheduled Maintenance Action Check
Table 1 is a Scheduled Maintenance Action Index. The index provides a list of all
performance tests if applicable and preventative maintenance procedures. The table has three
columns: Periodicity, Equipment and Task
The Periodicity column indicates the intervals between the maintenance tests and preventative
maintenance procedures.
The equipment column lists the equipment, assembly or subassembly that corresponds to the
maintenance action.
The task column lists the maintenance task to be performed.
Table 1
PERIODICITY EQUIPMENT TASK
Daily Wiper Blades Inspect the wiper blades for damage, torn or missing
rubber blades. Replace wiper blades as required
Daily Windscreen
Wiper System
Perform function test of wiper washer system.
Do not carry out the function test on a dry screen
Daily Washer Tubing
and Spray Nozzle
Inspect tubing for damage or loose connection on
nozzle. Check operation of spray nozzle on
windscreen
Daily Wash Tank Insure wash tank is filled with washer fluid to
prevent the wipers being used on a dry screen
3 Monthly Fixings of wiper
arm to wiper
spindle
Check torque settings
M8 = 20Nm
Six Monthly or
As required
Wiper Blades Replace wiper blades

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CHAPTER 4
Troubleshooting
Introduction
This chapter provides all the instructions and information necessary to locate problems and
conduct tests on the windscreen wiper system components. The trouble-shooting chart is
provided for logical isolation of faults.
Safety Precautions
Always disconnect the power when servicing the Windscreen Wiper System, or on any
ancillary components. Serious damage to the Equipment and/or Personal Injury may occur if
the power is not disconnected.
Troubleshooting Procedures
Typical windshield wiper system troubleshooting procedures are contained in Table 2. These
troubleshooting and repair procedures should be followed when encountering operational
problems with the windshield wiper system
Please note
Items marked in Italic require access to the enclosure. Any of these operations will require the
unit to be resealed using a suitable proprietry Mastic.
Table 2
SYMPTOM PROBABLE CAUSE TESTS AND CHECKS CORRECTIVE ACTION
Wiper motor
fails to start
On/off switch
Voltage Level
System Jammed
Defective wiper motor
Check position of switch
Check supply voltage to
switch. Check wiring and
switch connections
Check wiper linkage
Turn switch to the on position
Replace switch. Correct loose
wiring connections. Replace
broken wires
Release linkage. Release wiper
arm
Replace motor
Motor shaft
turns but
linkage & arm
remain static
Defective or loose drive
crank
Check linkage for a loose
drive crank
Secure or replace the drive
crank.
Clean motor output shaft with
wire brush before replacing
System operates
but wiper arm
remains static
Wiper arm Check for loose wiper arm
connection onto the drive
spindle
Secure or replace the wiper arm
after cleaning the spindles.
Torque to M8 = 20Nm

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Table 2 - Continued
SYMPTOM PROBABLE CAUSE TESTS AND CHECKS CORRECTIVE ACTION
Slow Motor
Operation
Voltage Level
Switch
Motor Bracket
Linkage
Defective Wiper Motor
Check for 12v or 24v DC
supply to wiper system
Check for broken bracket
Check to see if the
Linkage is free moving
Correct voltage supply problem
Replace faulty switch
Replace defective bracket
Free linkage replace worn or
damaged components
Replace Wiper Motor
Erratic Motor Voltage level
Switch
Wiring
Check for 12v or 24v DC
supply to wiper system
Check for loose or broken
wires
Correct voltage supply problem
Replace faulty switch
Repair or replace wiring up to
the motor. Replace motor if this
wiring is damaged
Arm and Blade
not operating
correctly or
over sweep
operation
Voltage level
Linkage
Spindle
Arm
Blade
Check for 12v or 24v DC
supply to wiper system
Check for worn or broken
linkage
Check for excessive wear
in spindle
Check that arm is not
loose on the spindle
Check for excessive wear
on arm
Check fixing for wear
Check blade for wear
Check for excessive
smearing on the screen
Correct voltage supply problem
Replace Linkage
Replace Spindle
Re-tighten Spindle
Replace Arm
After cleaning spindle spline
with wire brush.
Replace Blade
Replace Blade
Replace Blade
Washer system
not working
correctly
No water from jets Check water level in tank
Check for damage to tank
Check Pump is operational
Fill tank
Replace tank
Replace pump if faulty
Excessive wear
on blade.
Spring pressure. Use spring balance on
centre of blade clip till
blade begins to lift off
glass. 1 – 1.1/2 kg
Replace spring/arm.

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CHAPTER 5
The Extractor
Switch Operation – Multi-Switch
1. Check switch is in the off position before starting. (OFF/PARK)
IMPORTANT DO NOT RUN WIPERS ON A DRY SCREEN.
2. To apply water to the screen, press the knob.
(WIPER WASHER) This will apply water for the
duration of pressing the button. The wiper will also
operate for 3-4 wipes at normal speed after the
water stops.
3. Turn the knob CLOCKWISE it will (CLICK)
which turns the wipers on. The switch is now in
the area of variable intermittent wipe cycle time.
Which is between the (ON-LONG DELAY) and
(ON-SHORT DELAY) positions.
4. The further clockwise the knob is turned between the two positions shorter the delay
between the wipes.
5. Turn the knob CLOCKWISE to the next (CLICK) (LOW SPEED) gives a continuous
wipe across the screen at a standard speed, with no delay between the wipes.
6. Turn the knob CLOCKWISE to the last (CLICK) (HIGH SPEED) gives a continuous
wipe across the screen at a faster speed, with no delay between the wipes.
7. Turn the knob ANTI-CLOCKWISE to the off position when finished. (OFF/PARK)
WASHER
WIPER
LOW SPEED
HIGH SPEED
ON-SHORT DELAY
PRESS INTERMITTENT
VARIABLE
WIPE
ON-LONG DELAY
OFF/PARK
BROOK ST. REDDITCH. B98 8NF. TEL.[phone]
HEPWORTHMARINE INTERNATIONAL
Item
Description Qty
1 Back Plate 1
2 Stripper Bolt 2
3 Top Plate 1
4 Foot 1
5 Hand Wheel 1
12
4
3
50 CRS
5
2
4
PLAN VIEW
1
3
1. Remove Nut Cap, Nylock
Nut & Plain Washers.
Arm Head Spindle End
Liner Weather Cap Extractor
Weather Cap
Liner
Arm Head
Spindle End
2. Insert the Extractor between the
Weather Cap and the Arm Head.
3. Turn Handle to remove Arm.
OPERATING THE EXTRACTOR
4. Remove Arm.

Doc 1 – Issue 2 Page 14 of 16
SPARES LIST
(Ref Extractor.)
Part No. Description Qty
60680600 Arm Extractor Tool - All Head Types As Required
Fittings for M20 Liners and 12mm Spindles protruding outside Bulkhead
Part No. Description Qty
60267900 Idler Gasket 1 per unit
60119600 Idler Plate 1 per unit
10027801 20mm Washer 1 per liner
10011900 M20 Hex Nut 1 per liner
60034600 20mm Weather Cap 1 per liner
10022500 M8 Plain Washer 1 per liner
10013900 M8 Nylock Nut 1 per liner
10060300 8mm Nut Cap 1 per liner
Fittings for Arm and Blade
Part No. Description Qty
80205600 Blade Retaining Screw 1 per arm
10011400 M4 Nylock Nut 1 per arm

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A worldwide network of agents supports Wynn’s Marine product range. For details of the nearest Wynn agent please
contact our Head Office. Wynn Agents operate in the following countries.
Argentina, Australia, Brazil, anada, hile, hina, roatia, Denmark, Egypt, Finland, France, Germany, Greece, Hong Kong,
Iceland, India, Israel, Italy, Japan, Korea, Netherlands, New Zealand, Norway, Oman, Peru, Poland, Portugal, Russia,
Singapore, South Africa, Spain, Sweden, Taiwan, Turkey, Ukraine, U.S.A.
Wynn Marine Ltd
2-4 Merse Road, North Moons Moat, Redditch, B98 9HL, United Kingdom
Tel: [phone], Fax: [phone]
Email: [email protected]o.uk , website www.wynn.co.uk