Brother BAS-311E service manual Feed mechanism X axis 311EL and 326E, Assembly, @0 w, o @7

Chapter 3. Assembly

Feed mechanism (X axis) 311EL and 326E

	@3
	@4		@1
	!1
@7
	2mm
			@2	@5
	!8
		!2	@6	u
!6	!3
				y
	!9

@0

w

!5

@8

2.5mm

o

@7

4.Position X-timing pulley B326 !6, which is attached to X-pulley bracket L !1via the X-timing pulley shaft !3, so that there is a 2 mm clearance between the top of X-timing pulley B326 !6and end A of X-pulley base L !1. Position timing pulley A !5so that there is a 2.5 mm clearance between the bottom of timing pulley A !5and end B of X-pulley base L !1. Then secure X-timing pulley B326 !6and timing pulley A !5to the X-timing pulley shaft !3using the set screws !8and !9.

5.Position timing pulley B o attached to X-pulley bracket R y so that clearances C and D are equal, then secure it to X- pulley shaft R u using the set screw @0.

6.Loop X-timing belt A326 !2around X-timing pulley A311 (A326) @2of X-pulse motor @1and X-timing pulley B326 !6. Temporarily attach X-pulley bracket L !1to the bed using the bolt @3and washer @4.

7.Loop X-timing belt B326 w around timing pulley A !5of X-pulley base L !1and timing pulley B o of X-pulley base R y. Temporarily attach X-pulley bracket R y to the bed using the bolt @5and washer @6.

8.Insert the bolt @7that is used to adjust the tension of X-timing belt A326 !2from the left side of the bed, into X-pulley bracket L !1.

9.Insert the bolt @8that is used to adjust the tension of X-pulley belt B326 w from the right side of the bed, into X-pulley bracket R y.

34 BAS-311E.311EL.326E.326EL