Table of Contents
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Thank you for purchasing a Hotsy Pressure Washer. This manual covers the operation and mainte-
nance of your pressure washer. All information in this manual is based on the latest product informa-
tion available at the time of printing. Hotsy, Inc. reserves the right to make changes at any time without
incurring any obligation.
Read instructions carefully before attempting to assemble, install, operate or service this pressure
washer. Failure to comply with instructions could result in personal injury and/or property damage!
NOTE: This manual is intended for use with the following models only:
®
SERIAL NUMBER:
DATE PURCHASED:
FOR SALES AND SERVICE, PLEASE CONTACT:
981SS
962SS
982SS
962SS-208
991SS
964SS
991SS-208
969SS
992SS
1411SS
992SS-208
1412SS
994SS
1421SS
995SS
1421SS-208
952SS
1422SS
952SS-208
1422SS-208
900/1400
GAS-FIRED SERIES
OPERATING INSTRUCTIONS
AND PARTS MANUAL
1424SS
1425SS
1452SS
1452SS-208
1462SS
1462SS-208
1464SS
1469SS
c
®
97-6574
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Table of Contents
Related Manuals for Hotsy 981SS
Summary of Contents for Hotsy 981SS
- Page 1 Thank you for purchasing a Hotsy Pressure Washer. This manual covers the operation and mainte- nance of your pressure washer. All information in this manual is based on the latest product informa- tion available at the time of printing. Hotsy, Inc. reserves the right to make changes at any time without incurring any obligation.
- Page 2 981SS SPECIFICATIONS 992SS SPECIFICATIONS ● Pump Volume At Pump Head: 3.9 GPM/234 GPH ● Pump Volume At Pump Head: 3.9 GPM/234 GPH ● Pump Pressure At Pump Head: 2000 PSI ● Pump Pressure At Pump Head: 2000 PSI ● Burner Type: LP Gas Fired, 350,000 BTU/Hr.
- Page 3 952SS SPECIFICATIONS 962SS-208 SPECIFICATIONS ● Pump Volume At Pump Head: 3.8 GPM/228 GPH ● Pump Volume At Pump Head: 3.8 GPM/228 GPH ● Pump Pressure At Pump Head: 2300 PSI ● Pump Pressure At Pump Head: 2300 PSI ● Burner Type: Natural Gas Fired, 350,000 BTU/Hr. ●...
- Page 4 1411SS SPECIFICATIONS 1422SS SPECIFICATIONS ● Pump Volume At Pump Head: 3.9 GPM/234 GPH ● Pump Volume At Pump Head: 3.9 GPM/234 GPH ● Pump Pressure At Pump Head: 3000 PSI ● Pump Pressure At Pump Head: 3000 PSI ● Burner Type: LP Gas Fired, 350,000 BTU/Hr. ●...
- Page 5 1452SS SPECIFICATIONS 1462SS-208 SPECIFICATIONS ● Pump Volume At Pump Head: 3.9 GPM/234 GPH ● Pump Volume At Pump Head: 3.9 GPM/234 GPH ● Pump Pressure At Pump Head: 3000 PSI ● Pump Pressure At Pump Head: 3000 PSI ● Burner Type: Natural Gas Fired, 350,000 BTU/Hr. ●...
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Page 6: Table Of Contents
The model and serial numbers will be found on a decal attached to the pressure washer. You should record both serial number and date of purchase and keep in a safe place for future reference. 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 7: Introduction & Important Safety Information
15. Do not allow acids, caustic, or abrasive fluids to pass through the pump. 16. Inlet water must be from a cold, fresh city water sup- ply. 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... - Page 8 In- stall the machine 18" above the floor. Example Of Down Draft Diverter 24. Hotsy will not be liable for any changes made to For Gas Fired our standard machines, or any components not Machines purchased from Hotsy.
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Page 9: Component Identification
Adjustable Thermostat — Prevents water tempera- Detergent Metering Valve — Controls detergent mix- ture from exceeding high temperatures. Is not used to ture. maintain constant temperature setting. Wand — Must be connected to the spray gun. 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 10: Assembly Instructions
• Blade Screwdriver Pressure Hose, Wand and Wand Holder Pocket On Use teflon tape on plumbing connections to prevent Coil Tank leakage. Install pressure hose on machine as shown. Rupture Disk Pressure Hose 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 11: Installation Instructions
Proper combustion can only be obtained when there is a sufficient supply of oxygen available for the amount of fuel being burned. If it is necessary to install the machine in a poorly ventilated area, outside fresh air 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 12: Installation Instructions
Extension Cords: Do not use extention cords with this equipment. WARNING: To reduce the risk of electrocution, keep all connections dry and off the ground. 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 13: Operation Instructions
Squeeze the trigger of the trigger gun for 15 seconds. If the burner has not ignited, release the 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... - Page 14 For the best Wash from the bottom to the top, using side to side results, contact your Hotsy dealer to help you select motions. This washes away heavy dirt and allows the the best detergent for your application.
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Page 15: Shutdown Instructions
Place wand with antifreeze for rust protection. into float tank and circulate the solution through sys- 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 16: Maintenance
Pump nently lubricated bearings and will not require addi- tional lubrication. Use Hotsy Pump Oil P/N 315068 for pump crankcase. Crankcase must be filled to the full mark on the dipstick or Gas Burner to center of sight glass window found on the rear of the pump. -
Page 17: Troubleshooting
Gas valve switch in OFF position. Place switch in ON position. (continued) Inadequate fuel supply. Check fuel supply. Pump switch turned off. Pump must be running before burner will light. 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... - Page 18 See Venting under Installation. obnoxious odor. Pressure relief valve leaking. Excessive pressure due to Replace unloader valve. defective unloader valve. Defective relief valve. Replace relief valve. Dirty relief valve. Clean relief valve seat. 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 19 IMPORTANT If the pressure washer demonstrates other symptoms or the corrective actions listed do not correct the problem, contact the local authorized Hotsy Service Center. The Hotsy Service Center can be identified by visiting www.hotsy.com. When ordering from your dealer, please provide the following:...
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Page 20: Exploded View
EXPLODED VIEW See Float Tank Illus. Optional For Detail Hose Reel 14,70 16,21 Detail See Float Tank Illus. 80 79 Detail See Burner Assy. 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 21: Exploded Views
EXPLODED VIEW 72 30 Thermal Switch Option Pump Assy. for Detail To Float Tank Control Panel Illus. for Detail 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 22: Exploded View Parts List
Bolt, 3/8” x 1” NC HH 95-07104308 Panel, Back Welded Assy. 95-07104330 Bracket, Unloader 95-07104301 Panel, Front Motor, Please See Specifications Page 5-604040 Belt, BX40 Pump Pulley, Please See Specifications Page 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 23: Exploded View Parts List
Nut, 10/32” KEPS 95-07104337 Bracket, Transformer (969SS, 1469SS) 90-1007 Bolt, 5/16” x 1” NC, HH (969SS, 1469SS) 90-2001 Nut, 5/16” ESNA, NC (969SS, 1469SS) 90-4001 Washer, 5/16” Flat, SAE (969SS, 1469SS) 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 24: Burner Assembly
BURNER ASSEMBLY 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 25: Burner Assembly & Parts List
U-Bolt, 5/16” x 1”, Pipe 6-01353 Cable, Ignition, 60” 7-702320 LP, Conversion Kit (981SS, 991SS, 991SS-208, 994SS, 1411SS, 1421SS, 1421SS-208, 1424SS) 95-07104332 Bracket, Gas Train 7-701511 Connector, Ignition Module ▲ Not Shown 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 26: Pump Assembly & Parts List
Valve, 1/2” FNWTSC12, Brass, Swing Check 2-1062 Elbow, 1/2” JIC x 1/2”, 90° 2-1053 Nipple, 1/2” JIC x 1/2” MPT Pipe 2-1042 Tee, 1/2” Street 2-1105 Swivel, 1/2” JIC Female, Push-On 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... - Page 27 2-1060 Elbow, 1/2” JIC x 3/8”, 90° Pump, Please See Specifications Page 4-02110000 Hose, 1/2” Push-On, Fuel-Line 19.5” 4-02110000 Hose, 1/2” Push-On, Fuel Line 30” 2-1105 Swivel, 1/2” JIC Female, Push-On 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
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Page 28: Float Tank Assembly
FLOAT TANK ASSEMBLY 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 29: Float Tank Assembly & Parts List
Nut, 5/16” Whiz Loc 95-07104327 Bracket, Float Tank 698029 Hose Barb, 1/2” Barb x 1/2” MNPT 2-1105 Swivel, 1/2” JIC Female, Push-On 2-1906 Strainer, 1/2” Basket 4-02110000 Hose, 1/2” Push-On 30” 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... - Page 30 CONTROL PANEL ASSEMBLY 7,8,9 43 Reversed View Pump 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
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Page 31: Control Panel Parts List
Bushing, Star 2-0148 Plug, 7/8” Hole (Options) 90-200490 Nut, 8/32” Keps 90-29980 Screw, #8 x 1/2” Tek, Square Head, SS 90-29981 Screw, #8 x 3/4” Tek, Zinc 2-01403 Bushing, 7/8” Snap 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 32: Pump, Detail Exploded View & Parts List
952SS-208, 1411SS, 1412SS, 1452SS, 1452SS-208, 1426SS-208) 2” 6-036856 Timer, Delay, 60 Sec., 24V-5A (Thermal Option) 90-1816 Screw, 8/32” x 1-1/4” M, PH, PHD, PL (Thermal Option) 90-200490 Nut, 8/32” Keps (Thermal Option) 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... - Page 33 PUMP - EXPLODED VIEW 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 34 Connecting Rod Assembly 914139 Connecting Rod Pin 926692 Connecting Rod Pin Snap Ring ✤ Copper Spacer ✤ Ceramic Plunger Sleeve 20 mm ✤ Copper Spacer ✤ Teflon Ring ✤ Plunger Bolt O-Ring 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
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Page 35: Hose & Spray Gun Assembly & Parts List
Hex Screw REPLACEMENT PARTS ▼ 753014 Complete Seal Packing Kit ✤ 877656 Ceramic Sleeve Kit ★ 877648 Complete Valve Assembly Kit ❖ 877655 Plunger Seal Kit ◆ 877654 Seal Packing Kit 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... -
Page 36: Trigger Gun, Detail Exploded View & Parts List
962SS-208, 964SS, 969SS) 799025 Nozzle, 4.5 White (1400 Series) 799027 Nozzle, 5.5 White (981SS, 982SS, 991SS, 991SS-208, 992SS, 992SS-208, 994SS, 995SS) 799026 Nozzle, 5.0 White 952SS, 952SS-208, 962SS, 962SS-208, 964SS, 969SS) 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... - Page 37 ✪ Ball ✪ Valve Seat ✪ Valve Seat O-Ring 812801 Valve Body ✪ Plunger Guide Seat O-Ring ✪ Plunger Guide Backring ✪ Plunger Guide O-Ring ✪ Plunger Guide ✪ Plunger Rod 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 38 Trigger Lock Pin 960271 Trigger 881941 Trigger Lock Lever 936460 Inlet Pipe Seat 914285 Inlet Pipe 851190 Inlet Fitting 860496 Right Gun Shell Replacement Parts ✪ 877471 Trigger Gun Repair Kit 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
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Page 39: Specifications
6-602013 5-1807 5-40509001 5-40503601 5-511113 7-7011 7-702371 7-700021 N/A 6-02299 1464SS 5-1086 6-40090 6-5010 6-602014 5-1807 5-40509001 5-40503601 5-511113 7-7011 7-702371 7-700021 N/A 6-02295 1469SS 5-1087 6-4006 6-5010 6-602012 5-1807 5-40509001 5-40503601 5-511113 7-7011 7-702371 7-700021 N/A 6-02295 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05... - Page 40 900/1400 3 PH W/ELECTRIC IGNITION 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 41 900/1400 3 PH W/ELECTRIC IGNITION & THERMAL SHUTDOWN 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 42 900/1400 3 PH W/ELECTRIC IGNITION & AUTO START 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 43 900/1400 3 PH W/ELEC IGN, THERM SHUTDOWN & AUTO START 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 44 900/1400 1 PH W/ELECTRIC IGNITION 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 45 900/1400 1 PH W/ELECTRIC IGNITION & THERMAL SHUTDOWN 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 46 900/1400 1 PH W/ELECTRIC IGNITION & AUTO START 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 47 900/1400 1 PH W/ELEC IGN, THERM SHUTDOWN & AUTO START 97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05...
- Page 48 Hotsy will at its option repair or replace any part covered by this warranty which is defective under normal use for one year at no charge for parts or labor. All defects must be verified by an authorized Hotsy service location.