CAT Pumps 2560, Service Manual, Page: 23 / 24

SERVICE MANUAL | 25 Frame Plunger Pumps 23 (763) 780-5440 | techsupport@catpumps.com | www.catpumps.com
Reference Information
TORQUE CHART
PUMP ITEM THREAD TOOL SIZE TOOL PART NUMBER TORQUE
IN-LBS FT-LBS Nm
Plunger Retainers M7 M14 Hex — 108 7.5 10.0
Inlet Manifold Screws M12 M10 Allen — 355 30 40.0
Discharge Manifold Screws M12 M10 Allen — 355 30 40.0
Valve Plug Cover Screws M12 M10 Allen — 355 30 40.0
Rear Cover Screws M8 M13 Hex — 115 9.58 13.0
Bearing Cover Screws M8 M13 Hex — 115 9.58 13.0
Connecting Rod Screws M8 M13 Hex — 130 10.8 15.0
Bubble Oil Gauge M28 Oil Gauge Tool 44050 45 3.8 5.0
TECHNICAL BULLETIN REFERENCE CHART
NO. SUBJECT MODELS
002 Inlet Pressure vs. Liquid
Temperature
All Models
024 Lubrication of Low-Pressure Seals All Models
034 Servicing Crankcase Section –
Ball Bearing Models
3FR, 4FR, 5FR, 10FR,
25FR, 3CP, 5CP, 3PFR,
5PFR, 25PFR, 28PFR
036 Identifying Your Pump All Models
043 Servicing the Low and High-
Pressure Seals
All Plunger Models
074 Torque Chart All Models
083 Winterizing a Pump All Models
134 Piston and Plunger Pump
Crankcase Capacities
Piston and Plunger
Pumps
DISCHARGE MANIFOLD TORQUE SEQUENCE
VALVE PLUG COVER TORQUE SEQUENCE