MWO-9-2300-378-34-2 Maintenance Work Order for M60 Smoke Generation Download

Page 43 of 92

MWO 9-2300-378-34-2 NOTE For vehicles equipped with the M-9 bulldozer, the smoke generator switch assembly will be installed along with the hydraulic pump control panel on top of the gage indicator panel. In order to do this, the hydraulic pump bracket must be reworked. The following steps 4 thru 13 will detail this procedure. (4) Inside driver’s compartment, remove and discard four screws MS907 27-7 and lockwashers MS35333-40 securing hydraulic pump control panel and gage indicator panel to their mounting bracket (figure 30). (5) Remove and retain hardware securing circuit breaker to hydraulic pump control bracket. Leave electrical leads connected and remove circuit breaker (figure 3O). (6) Remove hydraulic pump indicator light lens (figure 30). Remove and retain hardware securing indicator light assembly to hydraulic pump control bracket. Leave electrical lead connected and remove indicator light assembly (figure 30). (7) Remove and retain hardware securing hydraul.ic switch to hydraulic pump control bracket. Leave electrical leads connected and remove switch (figure 30). (8) Rework hydraulic pump bracket as shown in figure 31. (9) Reinstall hydraulic pump switch on reworked bracket with two screws MS35206-245 and lockwashers MS35333-38 (figure 30). (10) Reinstall indicator light on reworked bracket with two screws MS35206-245 and lockwashers MS35333-38 and screw lens back on (figure 30). (11) Reinstall circuit breaker on reworked bracket with two screws MS35206-245 and lockwashers MS35333-38 (figure 30). (12) Route engine smoke harness 12270526 (switch plug connector end) along existing harness behind gage indicator panel and secure with existing clamps MS90350-23 as shown in figure 28, view A. (13) Connect harness 12270526 plug connector to smoke generator switch assembly receptacle connector and attach smoke switch bracket and hydraulic pump switch bracket along with gage indicator panel-to-panel mounting bracket with four screws MS90726-9 and lockwashers MS35333-40 (figure 32). (14) Route smoke harness 12270526 back along existing harnesses to the air cleaner blower motor relay (figure 28, view B and C) and route single lead Of smoke harness Positive lead up to bulkhead disconnects (figure 28, view D). Do not secure harness at this time. (15) Disconnect blower motor relay plug connector and connect one end of smoke harness 12270526 to the relay and the other end to the connector as shown in figure 28, view C. (16) Secure smoke harries along existing harness from the switch to the relay and secure with the existing retaining straps as shown in figure 28. Additional harness retaining strap 10905840 is supplied in kit if needed. 41