From inside (document excerpt):
PARTS LIST NO. DATE 545103476 Replaces 87882 –3/19/07 PARTS LIST Note: Illustration may differ from actual model due to design changes CHAIN SAW MODEL(s) MAC CAT 440 3/04/08 PAGE NO. 1 42 44 45 46 43 41 TYPE 1 27 All repairs, adjustments and maintenance not described in the Operator’s Manual must be performed by qualified service personnel. 35 31 30 28 29 WARNING Ref.