TM 10-4510-206-144-14.WATER HEATER MAINTENANCE PROCEDURES (CONT’D)b.Burner Head Assembly (Cont’d)6.Unscrew and remove spark plugs (12) with gaskets (13) from nozzleand electrode holder (14).7.Unscrew and remove nozzle (15) and adapter (16) attached to nipple(17).8.Mark position of nipple (17) with holder (14) before removing toensure proper position during installation.9.Remove nipple (17).Remove elbow (18) from nipple.4-66
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