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Table of Contents

Safety Precautions .................................................................2
General Description ...............................................................4
Operation ................................................................................4

Setup ....................................................................................4
Preparing to Paint .................................................................5
Painting .................................................................................5
Pressure Relief Procedure ...................................................5

Spraying ..................................................................................6

Spraying Technique ..............................................................6
Practice .................................................................................7

Cleanup ...................................................................................7

Cleaning the Spray Tip .........................................................7

Maintenance............................................................................8

General Repair and Service Notes.......................................8
Replacing the Motor .............................................................8
Replacing the Motor Brushes ...............................................8
Replacing the Gears .............................................................8
Replacing the Transducer.....................................................9
Replacing the PRIME/SPRAY Valve.....................................9
Servicing the Fluid Section .................................................10
Replacing the Filters ...........................................................11

Troubleshooting ...................................................................12
Parts Listings........................................................................18

Main Assembly....................................................................18
Motor Assembly ..................................................................19
Electrical Schematic ...........................................................19
Gear Box Assembly ............................................................20
Siphon assembly ................................................................21
Stand Assembly ..................................................................21
Fluid Section Assembly ......................................................22
Accessories ........................................................................23
Labels .................................................................................23

Warranty ................................................................................24

General Description

This airless sprayer is a precision power tool used for spraying
many types of materials.  Read and follow this instruction
manual carefully for proper operating instructions,
maintenance, and safety information.

Operation

This equipment produces a fluid stream at
extremely high pressure.  Read and understand
the warnings in the Safety Precautions section at
the front of this manual before operating this
equipment.

Liquid 

Holder 

and 

Drip Cup

Return 

Hose

Motor

Siphon

Tube

Pressure 
Control 
Knob

Oil Cup

ON/OFF 
Switch

PRIME/ 
SPRAY 
Valve

Fluid 
Section

Outlet 
Fitting

4

© Titan Tool Inc.  All rights reserved.

Setup

Perform the following procedure before plugging in the power
cord of an electric sprayer.

1. Ensure that the siphon tube and the return hose are

attached and secure.

2. Using a wrench, attach a minimum of 50’ x 1/4” nylon

airless spray hose to the outlet fitting on the sprayer.
Tighten securely.

3. Attach an airless spray gun to the spray hose.  Using two

wrenches (one on the gun and one on the hose), tighten
securely.

Make sure all airless hoses and spray guns are

electrically grounded and rated at or above the
maximum operating pressure range of the airless
sprayer. 

4. Make sure the pressure control knob is turned fully

counterclockwise to its minimum setting.

5. Make sure the ON/OFF switch is in its OFF position.
6. Fill the oil cup with one tablespoon of piston seal lubricant

(Piston Lube).

IMPORTANT:  Never operate unit for more than ten
seconds without fluid.  Operating this unit without fluid
will cause unnecessary wear to the packings.

7. Make sure the electrical service is correct for the sprayer.
8. Plug the power cord into a properly grounded outlet at

least 25’ from the spray area.

IMPORTANT: Always use a minimum 12 gauge, three-wire
extension cord with a grounded plug.  Never remove the
third prong or use an adapter.

Preparing a New Sprayer

If this sprayer is new, it is shipped with test fluid in the fluid
section to prevent corrosion during shipment and storage.
This fluid must be thoroughly cleaned out of the system with
mineral spirits before you begin spraying.

IMPORTANT:  Always keep the trigger lock on the spray
gun in the locked position while preparing the system.

1. Place the siphon tube into a container of mineral spirits

that has a flash point of 140ºF (60ºC) or above.

2. Place the return hose into a metal waste container.
3. Set the pressure to minimum by turning the pressure

control knob fully counterclockwise.

4. Move the PRIME/SPRAY valve down to

the PRIME position.

5. Turn on the sprayer by moving the

ON/OFF switch to the ON position.

6. Allow the sprayer to run for 15–30 seconds

to flush the test fluid out through the return hose and into
the waste container.

7. Turn off the sprayer by moving the ON/OFF switch to the

OFF position.

NOTE: Do not attach the tip to the spray gun yet.

Remove the tip if it is already attached.

Summary of Contents for RentSpray 450

Page 1: ...re reading this manual RentSpray 450 Airless Sprayer Owner s Manual For professional use only NOTE This manual contains important warnings and instructions Please read and retain for reference NOTE Th...

Page 2: ...injected directly into the blood stream Consultation with a plastic surgeon or reconstructive hand surgeon may be advisable HAZARD HAZARDOUS VAPORS Paints solvents insecticides and other materials ca...

Page 3: ...s Always unplug cord from outlet before working on equipment Do not use the hose as a strength member to pull or lift the equipment Do not lift by cart handle when loading or unloading Grounding Instr...

Page 4: ...e gun and one on the hose tighten securely Make sure all airless hoses and spray guns are electrically grounded and rated at or above the maximum operating pressure range of the airless sprayer 4 Make...

Page 5: ...at the spray gun does not have a tip or tip guard installed NOTE Hold the return hose in the waste container when moving the PRIME SPRAY valve to PRIME in case the sprayer is pressurized NOTE Incompat...

Page 6: ...be applied without runs or sags Holding the gun closer to the surface deposits more paint on the surface and produces a narrower spray pattern Holding the gun farther from the surface produces a thinn...

Page 7: ...o a metal waste container 5 Move the PRIME SPRAY valve down to its PRIME position 6 Set the pressure to minimum by turning the pressure control knob fully counterclockwise 7 Turn on the sprayer by mov...

Page 8: ...NOTE Rotate the motor fan manually until the armature gear engages with the mating gear in the pump housing NOTE If the motor will not dislodge from the pump housing Remove the front cover plate Using...

Page 9: ...the hole in the pump block during reassembly Improper alignment may cause damage to the transducer o ring Front Cover Pump Housing Front Cover Screw 2nd Stage Gear Thrust Washer Motor Gear and Crank...

Page 10: ...ump This will prevent the piston rod from rotating during disassembly of the outlet valve Outlet Valve Retainer Outlet Valve Seat Outlet Valve Ball Outlet Cage Crush Washer Piston Rod Foot Valve Housi...

Page 11: ...the new or cleaned filter into the pump block 5 Slide the filter housing over the filter and thread it into the pump block until secure Pump Block Seal Filter Filter Housing NOTE Left handed threads r...

Page 12: ...wing the Servicing the Fluid Section procedure in the Maintenance section of this manual 10 Take sprayer to a Titan authorized service center 1 Repack the pump following the Servicing the Fluid Sectio...

Page 13: ...ith a minimum of 50 x 1 4 grounded textile braid airless paint spray hose 2 Replace the spray tip following the instructions that came with the spray gun 3 Rotate the pressure control knob countercloc...

Page 14: ...n ou un sp cialiste en chirurgie reconstructive de la main DANGER MANATIONS DANGEREUSES Certains produits peintures solvants insecticides ou autres peuvent tre nocifs s ils sont inhal s ou entrent en...

Page 15: ...ents Porter des v tements aptes prot ger la peau et les cheveux du produit utilis Ne pas utiliser le pistolet ou ne pas pulv riser de produits en pr sence d enfants proximit loigner les enfants de l q...

Page 16: ...tos revestimientos inyectados directamente en la corriente sangu nea Puede ser aconsejable consultar con un cirujano pl stico o un cirujano especialista en reconstrucci n de las manos PELIGRO VAPORES...

Page 17: ...del equipo en todo momento No se asome ni se pare sobre soportes inestables Mantenga siempre la posici n firme y el equilibrio efectivos Use la presi n m s baja posible para enjuagar el equipo Mant n...

Page 18: ...ty 1 704 181 Screw 4 2 766 232 Motor cover 1 3 Motor assembly 1 4 704 179 Left leg assembly 1 5 761 178 Screw 4 6 766 115 Fluid section assembly 1 Item Part Description Quantity 7 704 117 Screw 2 8 Ge...

Page 19: ...2 6 704 322 Shroud screw 2 Item Part Description Quantity 7 704 277 Motor 120V complete includes items 1 5 6 10 and 11 1 8 704 258 Y adapter positive red 1 9 704 331 Gasket 1 10 704 250 Motor fan 1 11...

Page 20: ...20 Titan Tool Inc All rights reserved Gear Box Assembly 2 1 10 11 8 9 13 12 14 15 17 16 18 19 20 21 3 24 1 26 27 1 28 25 22 23 4 5 6 7...

Page 21: ...21 704 323 Screw 1 22 704 169 MIcroswitch mounting plate 1 23 704 125 Washer 2 24 700 785 Lock washer 2 25 704 380 ON OFF switch 1 26 704 211 Circuit breaker 1 27 704 363 Capacitor rectifier kit inclu...

Page 22: ...24 23 27 28 29 30 31 32 33 34 35 36 Install lower packings with raised lip and O ring facing up Install upper packing with raised lip and O ring facing down O Ring O Ring Raised Lip Raised Lip NOTE P...

Page 23: ...fan width required for a specific job and by the orifice size that will supply the desired amount of fluid and accomplish proper atomization For light viscosity fluids smaller orifice tips generally a...

Page 24: ...s not apply in the case of damage or wear caused by abrasion corrosion or misuse negligence accident faulty installation substitution of non Titan component parts or tampering with the unit in a manne...

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