Contents
Models............................................................... 2
Warnings ........................................................... 3
Setup................................................................. 5
Pump Components ...................................... 5
Air Connections ........................................... 6
Fluid Connections ........................................ 8
Electrical Connection.................................... 8
Repair................................................................ 9
Preventive
Maintenance Schedule ................ 9
Disconnect
the Lower from the Driver............ 9
Driver Rep
air ...............................................10
Lower Repa
ir...............................................12
Reconnect the
Lower to the Driver ................ 16
Parts.................................................................. 17
Pump Assembly........................................... 17
Lower Pump Assembly.................................18
Pump Driver Assembly................................. 20
Repair Kits, Related Manuals, and
Accessories ..........................................21
Dimensions
........................................................ 22
Technical Data ...................................................23
Graco Standard Warranty....................................24
Models
Pump Part No.
Series Description (see NOTE below)
Maximum Fluid Working Pressure,
psi (MPa, bar)
24T788 A 35cc low pressure pump
300 (2.1
,21)
24T789 A 35cc high pressure pump
1500 (10.5, 105)
24T790 A 70cc lo
w pressure pump
300 (2.1, 21)
24T791 A 70cc high pressure pump
1500 (
10.5, 105)
NOTE:
Lower pumps marked with a 3 on the bottom right of the identification label are 35cc displacement
pump
s. Lower pumps marked with a 7 on the bottom right of the identification label are 70cc displacement
pump
s.
Fi
gure 1 35cc Pump Identification Label
Figure 2 70cc Pump Identification Label
2
332339B
