Hitachi 4043 - Manual

308532 5 Setup Check for Shipping Damage Check the unit for any damage that may have occurredin shipping. Notify the carrier immediately if there is any damage. Set Up Charge the battery. Be sure the battery connectionsare correct and secure. Connect the fuel line to theengine using the quick couple...

308532 6 Operation Pressure Relief Procedure WARNING INJECTION HAZARD System pressure must be manuallyrelieved to prevent system from startingor spraying accidentally. Fluid under high pressure can be injected through skin and causeserious injury. To reduce risk of injury from injec-tion, splashing ...

308532 7 Operation CAUTION Pressure washer is equipped with a thermal reliefvalve. If pressure washer is operated withoutspraying for an extended period (approximately 10minutes) the valve will expel hot water. Do not operate pressure washer with inlet waterscreen removed. Keep screen clean. Screen ...

308532 8 Operation Installing and Changing Spray Tips WARNING To reduce risk of serious bodily injury, includingfluid injection or splashing in eyes or onto skin, useextreme caution when changing spray tips. alwaysfollow procedure below. 1. Follow the Pressure Relief Procedure . 2. Point the gun and...

308532 9 Shutdown, Flushing, and Storage CAUTION Do not expose pressure washer to freezing tem-peratures or allow water to freeze in pressurewasher components. If water freezes in the pres-sure washer, thaw it in a warm room before you tryto start it. Do not pour hot water on or into the pump; it ma...

308532 10 Troubleshooting WARNING To reduce risk of serious injury, including fluid injection and splashing in eyes, or on skin, always follow Pres- sure Relief Procedure on page 6 before proceeding. Problem Cause Solution Engine will not start oris hard to start No gasoline in fuel tank or carburet...

308532 11 Pump Service Servicing the Valves 1. Remove the hex valve plug. 2. Examine the o–ring under the plug for cuts ordistortion and replace if worn. Lubricate new o–ringbefore installing. 3. Grasp valve retainer by tab at the top with pliers andremove from valve chamber. Valve parts usuallysepa...

308532 12 Pump Service Servicing the Seals and V–Packings Disassembly: 1. Remove the manifold as described. 2. With crankcase side of manifold facing up, unscrewthe seal case from the manifold using a special keywrench. 3. Remove o–ring from seal case. 4. Remove snap ring and low pressure seal from ...

308532 14 Pressure Washer – Parts + – – 06810 + 43 42 41 44a, 44h 45 63 47 24 2 5 12 2 25 17 13 14 16 5 31 40 33343536 29 2 28 21a 19 18 51 30 46 1 2 48 50 49 4 6 7 62 37b 52 61 9 58 57 56 59 55 54 11 10 8 64 15 3 2 6 18 21b 21c 21d 21e 21f 21g 21h 22 23a 23b 23c 23d 23e 26 37c 37d 37e 37f 37h 37g 3...

308532 16 Pressure Washer – Parts 7544A 80 89 81 82 83 84 85 86 87 88 90 91 92 97 104 109* 110 111 114 43 Hydra–Clean 4043 Pressure Washer (Sheet 2 of 2) 2 120 *Note: Chemical Injector Repair Kit – 244351

308532 18 Pump Assembly – Parts 04608 1 2 3 9 4 12 13 14 15 17 16 18 19 20 21 22 23 24 25 26 27 28 29 31 30 32 33 22 a 35 12 39 40 14 41 15 4e 9a 42 53 51 52 54 34 c d 9a 9b a b c d e a b c e f g d 9b

308532 20 Accessories Downstream Chemical Injector Kit 804387 For injecting harsh cleaning chemicals downstreamfrom the pump. 800649 is stainless steel construction. Upstream Chemical Injector Kit 800257 For injecting mild cleaning chemicals upstream into thepump. Pressure Gauge Kit 248744 For viewi...

308532 21 Technical Data Model 800707 Engine (4 cycle, air–cooled) 16 HP Briggs & Stratton OHV Battery 12 Volt, 30 AMP 250 CCA Gasoline Tank Capacity 6 Gallon (23 Liter) Water Pump Maximum WorkingPressure 4000 psi (276 bar) Water Pump Maximum Flow 4.25 gpm (16 lpm) Inlet Hose Connection 3/4” gar...

308532 22 Graco Warranty Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defects inmaterial and workmanship on the date of sale to the original purchaser for use. With the exception of any special extended or limitedwarranty publ...