Brother XR9000 Service Manual page 102

4
Adjustment
Test Mode
Adjustment
Starting test mode/Starting and stopping operation ... 4 - 2
Timing belt tension.................................. 4 - 3
Motor belt tension ................................... 4 - 4
Upper thread tension .............................. 4 - 5
Left base line needle drop....................... 4 - 6
Rotary hook unit position ........................ 4 - 7
Needle clearance left/right ...................... 4 - 8
Needle bar rising..................................... 4 - 9
Needle bar height.................................. 4 - 10
Clearance between needle and rotary hook point ... 4 - 11
Needle threader .................................... 4 - 12
Presser bar height and parallelism ....... 4 - 13
Forward/backward feed ........................ 4 - 14
Bobbin winder ....................................... 4 - 15
BH lever switch position........................ 4 - 16
Needle and presser foot front/back position ..... 4 - 17
Front/back and left/right position of feed dog.... 4 - 18
Feed dog height .................................... 4 - 19
Inner rotary hook bracket position......... 4 - 20
Inner rotary hook assy. (lower thread) tension ... 4 - 21
Pattern .................................................. 4 - 22
4 - 1