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Garland H280 manual

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Table of contents for the manual

  • Page 1

    03/09/09 P/N 4523367 Page 1 H280-series Valve Ov erheat / Relocation Kit Inst ructions: RC O vens Instructions for A pplying Kit #4523368 This kit is for a convectio n RC, 36” ov en only . For a Standard 36” oven, use Kit #4522559 Installation Prerequi sites:  RC Oven, Piezoelectr ic Ignition  U-Burner with no wel ded brack et Tools Neede[...]

  • Page 2

    03/09/09 P/N 4523367 Page 2 Instructions: 1) Remove Kick Plate  Unscrew and set aside  This kick plate will n ot be reinstalled. A replacem ent is provided in th e k it. 2) Remove Safety V alve  The following steps will apply for a Baso Valve: 1) Unscrew 11/16” com pression nut on o ven orifice fitting. 2) Unscrew 11/16” com pression n[...]

  • Page 3

    03/09/09 P/N 4523367 Page 3 3) Unscrew Igniter Bracket  Unscrew the two scre ws holding down the igniter brac ket to the orifice brac ket. Left: Before rem oval, location of screws shown b y arrows Right: After rem oval 4) Remove Door Springs  Once the springs are removed, the ov en door will be free to fall. Use a stron g tape to keep the ov[...]

  • Page 4

    03/09/09 P/N 4523367 Page 4  Pry upward with the sc rewdriver. W hile holding this position, unhook the oven do or hinge link. Unhooked oven door h inge link  Use flat head scre wdriver to pry spring f rom bell crank assem bly. Remove spring. Prying spring fr om bell crank assem bly[...]

  • Page 5

    03/09/09 P/N 4523367 Page 5  For the door hinge w ith a microswitch:  Unscrew the m icroswitch brack et from the oven fram e. It is important that the microswitch be remov ed prior to removing the spring to prevent damage t o the microswitch when the s prings are reinstalled later. Microswitch brack et held to oven fram e by two screws indica[...]

  • Page 6

    03/09/09 P/N 4523367 Page 6 5) Remove Orifice Br acket  After rem oving the igniter bracket, the orifice brack et will be held in place b y a single screw directl y above the ori fice. Note that with the rem oval of the igniter brack et, the orifice brack et is held down by a s ingle screw as shown by the arro w[...]

  • Page 7

    03/09/09 P/N 4523367 Page 7 6) Install Extension Fitting (if applicable)  If pilot gas tube going int o the valve alread y has an extension pi ece (short piece of tubing plus 3/16” b rass fitting), unscrew th e shorter piece of tubing and p roceed to Step 13. Otherwise, fo llow these steps to inst all the proper fitting.  This step must be [...]

  • Page 8

    03/09/09 P/N 4523367 Page 8 7) Remove Left and Righ t Front Shields  Both shields are attac hed to the up per support bar using 3 scr ews. Left: Left side fr ont shield, location of screws sho wn by arrows Right: Right side f ront shield, location of scr ews shown by arrows 8) Remove Burner  Burner is not scr ewed down to oven floor and can b[...]

  • Page 9

    03/09/09 P/N 4523367 Page 9 9) Unscrew Pilot Bra cket from Oven Flo or  The brack et is held down to the oven floor us ing two screws. This brack et will not be reinstalled. Left: Pilot assem bly with bracket m ounted to oven floor Right: Pilot assem bly with bracket rem oved 10) Detach Igniter and B racket from Pilot Ass embly  Us e a pair o[...]

  • Page 10

    03/09/09 P/N 4523367 Page 10 11) Assemble New Pilot A ssembly  A colored line on the to p of the pilot indicates t he type of f uel used. A BL ACK line is used on a natural g as pilot, whereas a RED line is used o n a propane pi lot. Ensure the proper pilot is used.  Insert sheath onto new pilot assem bly ignition wire  Push sheath onto wi[...]

  • Page 11

    03/09/09 P/N 4523367 Page 11  Reattach original ignit er Connection of taped ignition wire end to orig inal igniter  Attach flex tube to pi lot assembl y  Unscrew the nut on the end of the selected pilot to re lease the nut, the f errule and the orifice. Install the nut and the ferrule on on e end of the flex tube.  Place the orifice ba[...]

  • Page 12

    03/09/09 P/N 4523367 Page 12  Attach new Roberts haw therm ocouple to pilot assem bly  Push the therm ocouple all the w ay into its slot on the pilot. Left: Wrong installation. Therm ocouple not pushed all the wa y through socket. Right: Correct installati on. Thermocouple pushed all the way through sock et. 12) Attach New Pilot As sembly to [...]

  • Page 13

    03/09/09 P/N 4523367 Page 13 13) Install New Burner  Ensure that the brac ket at the tip of the burn er locks onto the bracket attached to the oven floor. No sc rews are necessary fo r this procedure .  The burner m ay not st and up perfectly b y itself. The ins tallation of the oven orifice later will correct this prob lem. New burner and pi[...]

  • Page 14

    03/09/09 P/N 4523367 Page 14 15) Reinstall Orifice Br acket  Refer to Step 5 f or orifice bracket connect ions  Make sure that the orifice is inserted straight into the burner and n ot at an angle Orifice inserted straight into burner opening[...]

  • Page 15

    03/09/09 P/N 4523367 Page 15 16) Reinstall Door Springs  Refer to Step 4 f or door spring connections  For the door hinge with no microswitch:  Hook on one end of the spring to the hook s from the or ifice bracket  Place a screwdriver underneath the opposite end of the spring an d pry upward to hook that end onto the bell crank ass embl[...]

  • Page 16

    03/09/09 P/N 4523367 Page 16 17) Reinstall Igniter Bra cket Refer to Step 3 f or igniter bracket connect ions 18) Attach Main Burner Gas L ine Flex Tubes onto V alve  Two brass fittings (Part 7, Assem bly Drawing) should alrea dy be installed on the Mai n Burner gas inlet and o utlet on the Baso valve. Oth erwise, they are inc luded in the kit s[...]

  • Page 17

    03/09/09 P/N 4523367 Page 17 19) Screw on Pilot Gas Fle x Tube, Adjust Main Burn er Gas Fitting  Remove the brass nut and ferr ule originally on the pilot gas outlet on the Baso valve (Part 5 and Part 6, Assembly Drawing). Install them onto the free end of the flex t ube.  Screw the pilot gas flex t ube onto the Baso valve pilot gas outlet. T[...]

  • Page 18

    03/09/09 P/N 4523367 Page 18 20) Install New Pilot Gas Tu be  If a new 3/16” fitting (Part 4, Assem bly Drawing) was installed on the pilot gas tube (Part 3, Assembl y Drawing), uns crew the nut on the free en d of the fitting to release th e nut and the ferrule. If a f itting was alread y installed on the pilot gas tube, u nscrew one end of t[...]

  • Page 19

    03/09/09 P/N 4523367 Page 19 21) Connect Remaining Tubes and Thermo couple  The free end of each 7/16” flex tube from the valve should be fitted with a 7/ 16” nut (Part 10, Assem bly Drawing) and 7/16” ferrule (Part 11, Ass embly Drawing).  Connect the 7/16” f lex tube and the therm ocouple. Tighten all connecti o ns.  The final tu[...]

  • Page 20

    03/09/09 P/N 4523367 Page 20 23) Attach Bracket to Ov en For Standard Ovens:  Unscrew the two scre ws holding the orifice brack et to the lower oven fr ame.  Slip the brack et (Part 8, Assembly Drawing) un derneath the valve ass emb ly such that the taller face is flush up a gainst the lower ov en frame.  Position the screw ho les on the b[...]

  • Page 21

    03/09/09 P/N 4523367 Page 21 24) Attach Valve Onto B racket  The valve is attache d to the bracket using the b olt and nut provided (P art 13 and Part 12, Assem bly Drawing). Insert t he bolt into the hole thro ugh the valve and align it wit h the small hole on the back of the brack et. The large hole on the fr ont may be used to insert the bolt[...]

  • Page 22

    03/09/09 P/N 4523367 Page 22 25) Install New Kick Plate  The new kick plate (Part 14, Assem bly Drawing) slants outwards to accom modate the valve. Ensure that the corr ect kick panel is installed. Left: Old kick plate with flat profile. Do not install this kick pl ate. Right: New k ick plate with slanted profile.  The new kick plate is desig[...]

  • Page 23

    03/09/09 P/N 4523367 Page 23 Installation Complete Installation Com plete – Kick Plate Off Installation Com plete – Kick Plate On[...]