Page 10
Do not operate the machine without tilt-back safeguard 3! Danger of crushing between upper part and table top! Do not operate the machine without belt guards 4 and 5! Danger of injury by the revolving V-belt! 1-03...
Page 14
Subject to alteratio n • Or compar able thicknes ses of other thread types “...
Disposal of the machine Disposal of machine waste • The proper disposal of machine waste is the responsibility of the customer. • The materials used on the machines are steel, aluminium, brass and various plastics. The electrical equipment consists of plastics and copper. •...
Mounting and commissioning the machine 8.01.02 Adjusting the V-belt tension • Loosen nuts 1. • Tighten the V-belt with belt take-up hanger 2. • Tighten nuts 1. Fig. 8 02 02 shows a Quick motor. If another motor is used, proceed as describE Fig.
Page 33
Preparation Threading the needle thread / Adjusting the needle thread tension in the 9.07 PFAFF 1246 — Fig. 9 — Maschine ausschalten! 06. Care must be taken that the left-hand needle • Thread the machine as shown in Fig. 9 is threaded from the right and the right-hand needle is threaded from the left.
Page 51
Bobbin-case opener 11.04.11 (On Model 1246 make these adjustments on both bobbin openers.) Requirement The needle thread must not be clamped between the bobbin-case opener 1 and the bob bin-case base 3 nor may it be clamped between projection 4 and the retaining trip of the needle plate (see arrows).
Page 61
11 .05.04 Engagin g solenoid Requirem ent In needle rise position and with engaging solenoid 5 activated, there must be a distance of 0.3 mm between engaging lever 2 and pawl Fig. 11 • Bring the machine to needle rise position by turning the handwheel. •...
Page 69
Adjustment Knife 11.0512 Modes 1246 make these adjustments on both knives.) Requirement 1. The elongated hole of knife 3 must be parallel to knife carrier 5 and the knife must not be touching the casting (see arrow). 2. When the point of needle catcher 4 protrudes approx. 3 mm over the cutting edge of the knife, knife 3 must just touch thread catcher 4.