Description; Mounting; Distribution System; Specifications - Alemite 7730 Guía De Servicio

Description

Model 7730 consist of an air-operated
motor and a pump tube The air motor
connects directly to the double-acting
reciprocating pump tube
This high-pressure (75:1 ratio) grease
pump is designed to deliver a range of
greases, up to NLGI # 3, directly from bulk
containers

Mounting

In most cases these pumps connect
horizontally to a bulk container
(→ fig. 4, page 15) The pump includes
the male portion of a 3 in (7.6 cm) camlock
connection for ease in installation

Distribution system

Complete distribution system with correct
assemblies must be used and all
components must have pressure ratings
that exceed the highest anticipated pump
pressure

Specifications

Air motor
Piston diameter x 4 / x 4 in
1
4
stroke (10,8 x 10,2)
Air inlet/outlet / in NPTF (i)
3
4
Maximum 100 psi (6.9 bar)
air pressure
Pump tube
Material outlet / in NPTF (i)
1
2
Maximum material 7 500 psi (517 bar)
pressure
Maximum delivery/ 12 5 lbs (5.7 kg)
minimum
(approximate)
Displacement/cycle 1 36 in 3
For information on the air motor, refer to manual 397871
1) For detailed information, refer to Table 3, page 7

High-pressure bulk grease pump model 7730

Table 1
(22.3 cm 3 )
1) Material outlet
2) Air exhaust
3) Air inlet
4) Material inlet
2)
1)
Ø 2 in (51, cm)
4)
6
3)
1
/ in NPTF
2
39 in
(99,1 cm)
1
16 / in
8
(41 cm)
Fig. 1