MODIFICATION 3075831 - Caterpillar

Table 1
New Model    Linkage    Serial No.    Pin Group    Grapple    
G107B     307     GCD     285-3550     285-1264    
G112B     312     GCE     283-5792     283-5790    
G115B     315     GCF     282-8521     282-8316    
G120B     B     GCG     281-0357     279-7307    
G120B     C     GCG     281-0355     279-7305    
G120B     CB     GCG     281-0356     279-7306    
G125B     B     GCH     281-0357     275-6074    
G125B     C     GCH     281-0355     275-6072    
G125B     CB     GCH     281-0356     275-6073    
G130B     C     GCN     280-9011     275-2402    
G130B     CB     GCN     280-9013     275-2403    
G130B     D     GCN     280-9004     275-2400    
G130B     DB     GCN     280-9012     275-2401    
G145B     F/T     GCJ     281-2049     279-7361    
G145B     TB     GCJ     281-2051     279-7362    
G165B     V     GCK     282-2582     282-2575    
G165B     VB     GCK     282-2583     282-2576    
G185B     H     GCM     283-7309     283-7307    
G185B     HB     GCM     283-7310     283-7308    ReferenceOperation and Maintenance Manual, SEBU8115, "Work Tool Installation and Removal"Orientation of Pin Group Components
Note: Refer to the Operation and Maintenance Manual for the procedure to install the grapple.Use the following illustrations as a visual aid during the installation of the pin group.
Illustration 1 g01291004
Typical example of contractor grapple
Illustration 2 g01290963
Typical example (1) Pin (2) Bearing (3) Bearing (4) Pin (5) Collar (6) Pin (7) Bolt (8) Nut (9) Bolt (10) Bolt (11) WasherNote: Apply 155-0695 Thread Lock Compound (HIGH STRENGTH (Red)) to the threads of the eight bolts (7).
Illustration 3 g01266235
Orientation of the pin
Illustration 4 g01291001
(A) Orientation of the collar with the grapple in the closed position
Illustration 5 g03750797
(B) Orientation of the collar with the grapple in the open position