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Idiomas disponibles
Troubleshooting
Problem
Pump does not operate
Erratic or accelerated operation
Pump operates on "down" stroke only
(missing "up" stroke)
Pump operates on "up" stroke only
(missing "down" stroke)
Pump is operating but not dispensing
material
Service parts
Item
Description
1
Bushing and plunger
2
Check ball, 0 375 in
3
Pin
4
Check ball, 0 625 in
5
Plunger rod
6
Nipple
7
Washer
8
Vee packing set with adapters
9
Bushing nut
10
Coupling adapter
11
Outlet body
12
Wave washer
13
O-ring
14
Adapter
15
O-ring
16
Coupler
17
Priming check and plunger
18
Check seat
19
Cotter pin
20
Priming plunger nut
21
Priming tube
22
Priming tube adapter
23
Adapter tube
24
Keeper
25
Pump tube (model 84304)
26
Plunger (connecting) rod (model 84304)
25
Pump tube (model 84604)
26
Plunger (connecting) rod (model 84604)
Possible cause
Restricted or inadequate air supply
Obstructed material output
Insufficient material supply
Worn or damaged bushing and plunger (1)
or piston check (2, 4 and 1)
Worn or damaged priming check and
plunger (17) or check seat (18)
Insufficient material supply Pump is not
intaking enough material to dispense on
both strokes
Inlet check (17 and 18) is not seating or is
damaged
Part number
278195
66007
13237
272135
16407
16091
48638
34781
93435
15014
93409
66893
34770
16416
242229
16373
93437
16417
66310
16426
61618
16415
61617
16008
61616
93408
61644
93507
13
Solution
Check air supply pressure and air hose diameter
(see air motor manual for minimum air supply
hose diameter)
Check output line for restrictions
Refill material supply
Check and replace if needed
Check and replace if needed
Check inlet for restrictions Lower output with
material valve
Check and replace if needed
Quantity
1
1
1
1
1
1
2
1
1
1
1
6
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
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