Page 3
INSTALLATION INSTRUCTIONS Castle ® 7900 FLOOR LOADING CART WASHER Getinge/Castle, Inc. 1777 East Henrietta Road Rochester, New York 14623-3133 Phone: (800) 950-9912 USA Facsimile: (800) 950-2570...
Page 4
“Caution” notes alert the user to the possibility of damage to the equipment. CAUTION “Notes” alert the user to pertinent facts and conditions. NOTE This manual contains proprietary information of Getinge/Castle, Inc. It shall NOTE not be reproduced in whole or in part without the written permission of Getinge/Castle, Inc.
Section 1 Installation Requirements General Description The Castle 7900 Floor Loading Cart Washer is a fully automatic, floor loading, hydro-spray cart washer with dual side-by-side wash compartments that is used to clean and decontaminate case carts, stands, utensils, containers, tote boxes, and similar bulk items.
The rating plate for a 7900 washer is affixed to the inside of the control box door. Record the model type and serial number (S/N) from the rating plate. TYPE: _________________________________ SERIAL NO: ____________________________ Include the model type and serial number when communicating with Getinge/Castle. Figure 1–2. Rating Plate Location 1–2...
Where applicable, installers should refer to specifications contained in the product information documents, such as Rough-In and Assembly drawings, that have been forwarded to local Getinge/Castle product support personnel. Washer Options There are a number of options that may be included with your washer.
7900 Floor Loading Cart Washer Shipping Configuration A disassembled 7900 washer is shipped on 4 to 8 pallets of various lengths. The maximum size of any one pallet may be as large as 10' x 5' (approximate). For stability during transit, selected pallets are often pegged (with nails) to the floor of the truck.
Installation Requirements Tools and Materials Required The following tables list the specific tools and materials required at the installation site. Items marked with an asterisk * are supplied by Getinge/ Castle. Table 1–1. Tools Required Tool Quantity Common hand tools...
Page 15
7900 Floor Loading Cart Washer Material Quantity 1" x 4" x 6" wood block 2" x 4" x 52" wood block The following items are recommended for use if a floor mounted washer is to be assembled out-of-position, then moved to its intended operational site: * 4’...
Section 2 Installation Assemble the Washer Structure This section contains procedures for assembling the basic structure of the washer compartment. Refer to the following sections. • “Install the Base/Sump Assembly” on page 2-1 • “Assemble the Washer Panels” on page 2-5 •...
Page 18
Installation 1. Clean all mating surfaces where the two halves of the base meet with thinner, treat with silicone primer, and then apply a generous amount of silicone sealant. 2. Move the two halves of the washer base together and attach the halves together: a.
Page 19
7900 Floor Loading Cart Washer Figure 2–2. Attaching Base Assembly Underneath 5/16-18 FASTENERS WOOD SUPPORT FORK LIFT (2 EACH AT 6 PLACES) 3. Move the base assembly into its final operating position. 4. Check the base for level. Use the 4' level to check from all sides of the base and in all directions.
Page 20
Installation 7. Lay the two track/frame assemblies into the base so that the floor lift weldments are toward the center of the washer, as shown in Figure 2–3. Base/Sump Components Figure 2–3. Base/Sump Components FLOOR LIFT WELDMENTS TRACK/FRAME ASSEMBLY FLOOR GRATES (6) CHANNEL FILLERS THRESHOLD ASSEMBLIES (2 PLACES AT EACH END)
7900 Floor Loading Cart Washer Assemble the Washer Panels Objective Assemble the door, side, and top panels. Install the required number of interior side panel seam cover strips and the center mounting bracket. There are six side panels and three top panels. Each of the end (door) panels in turn consists of five panels: three vertical panels and two horizontal panels (one over each door) that connect to the vertical panels.
Page 22
Installation Silicone Primer stains/discolors clothing, stainless steel surfaces, flooring, etc. Avoid accidental spills. Avoid spreading this substance onto exterior CAUTION surfaces of the washer. Figure 2–4. Assembling the Washer Panels 1. Clean all mating surfaces with thinner, treat with silicone primer, and then apply a generous bead of silicone sealant wherever a wall panel is attached to the base or to another panel.
Page 23
7900 Floor Loading Cart Washer 3. Attach the load end side panels to the base and to the load end door. a. Position one of the load end side panels. b. Partially insert five 3/8" diameter thru rods through the 7/16"...
Page 24
Installation Repeat steps a through d for the other middle side panel. g. To ensure side panel alignment, attach C-clamps and 2x4" wooden blocks across the top edge of the adjoining panels at the vertical seam. 5. Attach the load end top panel to the door panel and to the load end side panels.
Page 25
7900 Floor Loading Cart Washer 8. Attach the unload end door panels to the base and to the unload end side panels. a. Remove the pipe clamps. b. Position a vertical panel. Secure the bottom legs of the panel to the base frame with 1/4-20 fasteners (1/2"...
Installation Door Assembly Objective Attach hardware to the doors and related door panels. Install two doors each on both the load and unload ends of the washer. Plumb and square all four doors. Installation Refer to Figure 2–52. Door Assembly. Figure 2–6.
Page 27
7900 Floor Loading Cart Washer 1. Attach the following items to each door panel: a. Attach three hinge mounts using nine 1/4-20 fasteners (1" phillips head screws). b. Attach two door latch retainers, two door latch shims, and two spacers using four 5/16-18 fasteners (2" hex head cap screws and lock washers).
Installation Trim Panels (Non-Service Objective Side) The narrow width of the trim panels and the presence of a restrictive wall may require that you assemble the washer out-of-position up to this point. After you attach the panels, you can move the washer to its exact operational position, where you can level the washer, and seismically anchor it if required.
7900 Floor Loading Cart Washer Install Components on Top of the Washer There are a number of components that are installed on the top panels of the washer. Although there is no specific order in which the components should be installed, the list below presents the items in a recommended order.
Page 30
Installation Installation 1. Install the front dryer/blower assembly and the condenser on the washer. Refer to Figure 2–7. Front Dryer and Condenser Assembly Locations. Figure 2–7. Front Dryer and Condenser Assembly Locations DRYER/BLOWER UNLOAD END ASSEMBLY CONDENSER HEATING COIL FRONT SIDE a.
Page 31
7900 Floor Loading Cart Washer 2. Install the rear dryer/blower assembly, condenser, and top dryer duct on the washer. Refer to Figure 2–8. Rear Dryer and Condenser Assembly Locations. Figure 2–8. Rear Dryer and Condenser Assembly Locations CONDENSER TOP DRYER DUCT REAR SIDE UNLOAD END DRYER/BLOWER...
Page 32
Installation h. Attach the 9" vent hose to the condenser and to the dryer with hose clamps. Apply silicone sealant to the mating flange surrounding the rear dryer’s heating coil and to the mating surfaces surrounding the two 18" x 7-1/2" rectangular cutouts in the top panels.
7900 Floor Loading Cart Washer Power Floor Tilt Pulley Objective System Install the power floor tilt pulley system. The top panels have 1/4-20 threaded holes to mount the system’s five components. The actuator assembly is installed on the top middle panel, with the actuator mounted on the front (service) side and the pulleys in the middle.
Page 34
Installation Figure 2–11. Power Floor Tilt Pulley Mounts 1/4-20 FASTENERS (2 PLACES EACH) PULLEY MOUNTS 2. Route the four pulley cables from the actuator, through the pulley mounts, and then down through the four gasketed cable holes in the paneling to the compartment floor. You may have to enlarge a gasket hole with a drill if the cable does not fit NOTE through the hole.
7900 Floor Loading Cart Washer Transformer and Emergency Objective Stop Switch Junction Box Install the transformer and the junction box for the emergency stop switches to the top of the washer. The specific transformer used with your washer depends on the house-supplied voltage. Figure 2–13.
Installation Rear Emergency Stop Switch Objective Attach the rear emergency stop switch to the top of the washer. The switch is mounted on the rear (non-service side) of the washer at the load end. Installation Refer to Figure 2–14. Rear Emergency Stop Switch. Figure 2–14.
7900 Floor Loading Cart Washer Plumbing Mounting Brackets Objective Attach four mounting brackets to the top of the washer to support the piping for the rear side of the washer. Installation Refer to Figure 2–15. Plumbing Mounting Brackets for the location and relative size of each bracket.
Installation Install Components on the Outside of the Washer This section provides instructions for installing equipment on the outside of the washer. The procedures are presented in a recommended order (some larger components are easier to install if they are done earlier, for example). Refer to the following sections.
7900 Floor Loading Cart Washer Spray Manifold Drive Motor Objective Assemble the spray manifold drive's flange bearing and the spray manifold drive motor. Installation Figure 2–16. Manifold Drive Flange Bearing LOAD END FLANGE BEARING 3/8-16 FASTENERS (4 PLACES) 1. Use 3/8"-16 fasteners (four each 1" hex head cap screws and lock washers) to loosely secure the flange bearing in position at the upper corner of the load end side panel, as shown in Figure 2–16.
Page 40
Installation 2. As shown in Figure 2–17, position the spray drive manifold motor and bracket over the six threaded holes located in the panel directly below the flange bearing and use 1/4-20 fasteners (six each 3/4" hex head cap screws, lock washers, and flat washers) to secure the mounting fixture to the panel.
7900 Floor Loading Cart Washer Exhaust Elbow Objective Install the exhaust elbow on the side of the washer. Installation Refer to Figure 2–18. Exhaust Elbow. Figure 2–18. Exhaust Elbow 1. Apply silicone sealant to the mating surface surrounding the 12" cutout next to the spray manifold drive motor. 2.
Installation Washer Light Assembly Objective Install the interior light in the cutout located on the front (service side) wall. Installation 1. Remove and retain the nine fasteners securing the interior cover of the light assembly. 2. Align the holes in the light assembly with the holes surrounding the cutout in the front panel.
7900 Floor Loading Cart Washer Front Dryer Ducts Objective Mount the dryer ducts. The front (service side) dryer duct connects the dryer’s heating coil to two 13-1/4" x 18" cutouts in the side panels. Generally, the duct work consist of a vertical and a horizontal section.
Page 44
Installation 2. Install the upper (vertical) section of the front dryer duct. Refer to Figure 2–21. Horizontal Section of Front Dryer Duct. Figure 2–22. Vertical Section of the Front Dryer Duct STEAM HEATER #10-32 FASTENERS VERTICAL SECTION OF (10 PLACES) FRONT DRYER DUCT HORIZONTAL SECTION #10-32 FASTENERS...
7900 Floor Loading Cart Washer Control Box Objective Attach the control box to the load end side panel. Installation Refer to Figure 2–23. Control Box. Figure 2–23. Control Box 1/4-20 FASTENERS (4 PLACES) CONTROL BOX 1. Remove the pins from the door hinges and set the door aside.
Installation Junction Box Assembly Objective Install the junction box assembly to the side of the washer. Installation Refer to Figure 2–24. Junction Box Assembly. Figure 2–24. Junction Box Assembly #10-32 FASTENERS (4 PLACES) EXHAUST ELBOW LOWER DRYER DUCT 1. Position the junction box and align its mounting holes with those on the front panel of the exhaust elbow and on the top of the lower dryer duct.
7900 Floor Loading Cart Washer Dispenser Float Switch Objective Junction Box Install the junction box for the detergent and rinse aid dispenser float switches on the front (service side) panel at the load end of the washer. Installation Refer to Figure 2–25. Dispenser Float Switch Junction Box. Figure 2–25.
Installation Front Emergency Stop Switch Objective Attach the front emergency stop switch to the side panel of the washer. The switch is mounted at the load end of the washer, over the detergent dispenser. Installation Refer to Figure 2–26. Front Emergency Stop Switch. Figure 2–26.
7900 Floor Loading Cart Washer Detergent and Rinse Aid Objective Dispensers Mount the detergent dispenser on the load end side panel (below the control box) and the rinse aid dispenser to the top of the lower dryer duct. Installation Refer to Figure 2–27. Detergent Dispenser. Figure 2–27.
Installation Unload End Indicator Panel Objective Mount the indicator panel box on the unload end of the washer. Installation Refer to Figure 2–29. Unload End Indicator Panel Box. Figure 2–29. Unload End Indicator Panel Box 1. Remove the face plate of the box. 2.
7900 Floor Loading Cart Washer Door Proximity Switches Objective Install a proximity switch assembly on both the load and the unload end door panels. Installation Refer to Figure 2–30. Door Proximity Switches. Figure 2–30. Door Proximity Switches PROXIMITY SWITCH ASSEMBLY 1.
Installation Sump Drain Valve Objective Install the motorized sump drain valve assembly. Installation Refer to Figure 2–31. Sump Drain Valve. Figure 2–31. Sump Drain Valve SUMP DRAIN VALVE TO DRAIN 1. As shown in Figure 2–31, use a hose clamp to attach one flexible hose on the drain valve assembly to the 2"...
7900 Floor Loading Cart Washer Return Pump Objective Attach the return pump to the sump framework. Installation Refer to Figure 2–32. Return Pump. Figure 2–32. Return Pump RETURN PUMP LOW SUCTION COLLAR 1. Slide the low suction collar over the bottom of the return pump and position the pump in the sump.
Installation Circulation Tank Assembly Objective Assemble, position, and level the circulation tank. Installation Refer to Figure 2–34. Circulation Tank. Figure 2–34. Circulation Tank TANK BOLTS (6 PLACES) ADJUSTABLE LEGS (4 PLACES) TANK BASE 1. Refer to the rough-in drawing and position the tank base at the correct location.
7900 Floor Loading Cart Washer Wash Pump Objective Install the wash pump in the bottom shelf of the tank. Installation Refer to Figure 2–35. Wash Pump. Figure 2–35. Wash Pump FASTENERS CIRCULATION TANK BOTTOM SHELF (4 PLACES) 1. Place the pump on the bottom rack of the circulation tank assembly and align the holes in the pump with the bolts in the mounting plate.
Installation Tank Drain Valve, Tank Objective Overflow, and Tank Water Level Indicator Install the motorized tank drain valve assembly, the tank overflow drain, and the tank water level indicator. Installation Figure 2–36. Tank Drain Valve DRAIN PIPE DRAIN VALVE TO DRAIN FROM TANK 1.
7900 Floor Loading Cart Washer Booster Heater Assembly Objective Install the booster heater assembly. Installation Refer to Figure 2–38. Booster Heater Assembly. Figure 2–38. Booster Heater Assembly 1/4-20 FASTENERS CIRCULATION TANK (4 PLACES) BOTTOM SHELF 1. Position the booster heater assembly in the bottom shelf of the circulation tank and align with the holes in the shelf.
Installation Rinse Pump Objective Install the rinse pump on the bottom rack of the circulation tank. Installation Refer to Figure 2–39. Rinse Pump. Figure 2–39. Rinse Pump WASH PUMP RINSE PUMP 1/4-20 FASTENERS CIRCULATION TANK BOTTOM SHELF (4 PLACES) 1. Position the pump on the bottom shelf of the circulation tank and align with the holes in the bottom of the shelf.
7900 Floor Loading Cart Washer Plumbing The washer plumbing is designed with a large number of quick-disconnect joints that enable service personnel to isolate problems and to replace components easily. When a washer is disassembled at the factory for shipment to a customer, plumbing sections are removed for efficient packing and quick assembly at the installation site.
Installation Black Iron (Steam) Plumbing Objective Install the steam supply line and the condensate return line. Installation The black iron steam plumbing for the washer consists of the following sections: • The utility connection to the booster heater, to the circulation tank, and over the top of the washer to the two dryer heaters.
7900 Floor Loading Cart Washer Cold Water (Copper) Objective Plumbing Install the cold water supply line. Installation The copper plumbing for cold water consists of the following sections: • The utility connection up over the top of the washer to the two condensers on the unload end top panel.
Installation Electrical Wiring Objective Make all required electrical wire connections between the electrical components and the control box and junction boxes. Installation 1. Route all component electrical cables, including thermocouple cables, from the control box or junction box to the appropriate electrical component. Refer to Table 2–2 and Table 2–3 for the routings.
Page 63
7900 Floor Loading Cart Washer Table 2–2. Junction Box Cable Connections Jack Cable P/N Cable Label Destination 61301603973 P1 – P2 Control Box Jack J1 Y960788 P3 – 1PS Load End Proximity Switch Y960788 P4 – 2PS Unload End Proximity Switch Y960788 P5 –...
Page 64
Installation Table 2–3. Control Box Cable Connections Jack Cable P/N Cable Label Destination 61301603973 P1 – P2 Junction Box Jack J2 61301603985 P31 – 1TC Circulation Tank Thermocou- ple 1TC 61301603985 P32 – 2TC Front Dryer Thermocouple 61301603985 P33 – 3TC Rear Dryer Thermocouple 61301603985 P34 –...
7900 Floor Loading Cart Washer Install Components on the Inside of the Washer This section provides instructions for installing equipment on the inside of the washer. The procedures are presented in a recommended order. Refer to the following sections. • “Rear Dryer Ducts” on page 2-49 •...
Page 66
Installation 2. Position one of the dryer ducts on the wall and align the mounting holes with those in the compartment wall and ceiling. 3. Secure the duct to the wall with eight #10-32 fasteners (1/2" phillips head screws, lock washers, and flat washers). 4.
Installation Chain Drive Assembly Objective Install the drive shaft, drive chains, and push rod that comprise the chain drive assembly. Installation Refer to Figure 2–45. Chain Drive Assembly. Figure 2–45. Chain Drive Assembly 1. Insert the drive shaft key into the keyway in the spray manifold drive motor that you installed previously.
Page 69
7900 Floor Loading Cart Washer 6. Extend the motor end through the seal and flange bearing, and then engage the key (installed in step 1) with the shaft’s keyway. 7. Rotate the idler end of the shaft until its sprocket key is in alignment with the sprocket key at the shaft's motor end.
Installation Spray Manifold Supports and Objective Manifold Assembly Install the three spray manifold supports, one on either side of the washer compartment and one in the middle, and then install the two spray manifold assemblies. Installation Refer to Figure 2–46. Spray Manifold Support. Figure 2–46.
Page 71
7900 Floor Loading Cart Washer Figure 2–47. Spray Manifold Assembly 5. Attach two rinse and two wash hose connectors to the inlet ports in the front side panel. Repeat for the rear panel. When tight, all connectors should point toward the unload end of the unit at an angle of approximately 45 degrees.
Installation Manifold Cover and Spray Objective Guard, Manifold Guard Tubes, Wash Cart Tubes Install the following components inside the washer: • Two manifold covers • Manifold spray guard • Four manifold guard tubes • Three wash cart guide tubes Installation Refer to Figure 2–48.
Page 73
7900 Floor Loading Cart Washer 3. Attach the ten manifold guard tubes to the brackets welded to the load and unload end door panels. For each wash compartment, attach three tubes to the outer side and two tubes on the side at the middle of the washer. a.
Installation Emergency Stop Switch Objective Cables Install the emergency stop cables. One cable runs along each side of the washer. The front cable passes through the side panel and connects to the emergency stop switch on the service side of the washer. The rear cable passes through the top panel and connects to the switch mounted on top of the washer.
Page 75
7900 Floor Loading Cart Washer Secure the end of the cable to the emergency stop switch assembly with a cable fastener as shown in Figure 2–26. 2. Install the emergency stop cable on the rear side of the washer and connect to the switch on the top of the washer. a.
Installation Final Installation Tasks This section provides instructions for completing the installation of the washer. Refer to the following sections. • “Final Door Assembly” on page 2-61 • “Dispenser Tubing” on page 2-62 • “Sanitary Barrier Flanges” on page 2-64 •...
7900 Floor Loading Cart Washer Final Door Assembly Objective Hang the load and unload doors back on their hinges. Installation Refer to Figure 2–52. Door Assembly. Figure 2–52. Door Assembly A washer door is heavy and awkward to handle. Take care to avoid crushing or strain injuries.
Installation Dispenser Tubing Objective Connect the detergent and rinse aid dispenser pump tubing. Installation 1. Connect the detergent tubing. a. Place the detergent float switch assembly (see Figure 2–53) in the detergent supply container. Figure 2–53. Detergent/Rinse Aid Float Switch b.
Page 79
7900 Floor Loading Cart Washer 2. Connect the rinse aid tubing. a. Place the rinse aid float switch assembly in the rinse aid supply container. b. Connect the supply tubing from the float switch assembly to the bottom plastic compression fitting on the rinse aid pump (Figure 2–55).
Installation Sanitary Barrier Flanges Objective Attach the sanitary barrier flanges to the load and unload ends of the washer. The following instructions apply to units with structural walls situated at both the load and unload ends. Units with only one wall (generally at the unload end) receive a service area enclosure and an unload end top barrier flange.
7900 Floor Loading Cart Washer Pit Covers (Option) Objective Install the pit covers, if that option has been provided, at the load and unload Ends of a pit mounted washer. An additional pit cover may be provided for installation along the non-service side of the washer if that side is exposed.
Installation Service Area Enclosure Objective (Option) Assemble the service area enclosure. The service area enclosure is usually installed on units that do not have a structural wall at either the load or unload end. Installation 1. Attach the two short attachment angles to the load end side panel and the single long attachment angle to the unload end side panel with #10-32 fasteners.
7900 Floor Loading Cart Washer Base Shrouds (Floor Objective Mounted Option) Install the base shrouds at the load and unload ends of a floor mounted washer. Installation Refer to Figure 2–56. Base Shroud. Figure 2–56. Base Shroud 1. Align the holes in the base shroud with #10-32 threaded holes in the base frame.
Installation Ramps (Floor Mounted Objective Option) Install the ramps at the load and unload ends of a floor mounted washer. Installation Refer to Figure 2–57. Ramp. Figure 2–57. Ramp Insert the 1" support flange of the ramp behind the front edge of the drip trough that extends from the door threshold.
3. Clean and polish the exterior surfaces of the washer. 4. Remove the masonite protective flooring from inside the washer. At this point, installation is complete. You should contact Getinge/Castle NOTE personnel so that mechanical adjustments and electrical performance tests can be accomplished before you operate the equipment.
Need help?
Do you have a question about the Castle 7900 and is the answer not in the manual?
Questions and answers