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Danfoss T-420 Crimp machine operator´s manual  December 2022

Mounting Instructions

C-40X Cabinet

The C-40X Stock Cabinet is designed specifically for the T-420-1 
press and T-421U electric pump. Holes are pre-drilled so that the 
press and pump can be mounted conveniently on top of the 
cabinet. The C-40X cabinet has 40 heavy duty plastic drawers 
which divide into two, three or four compartments providing 
ample space for a large selection of hose ends and adapters. 

CAUTION: It is recommended these instructions be read 

thoroughly prior to set-up, and then used as a guide during 

actual assembly.

STEP 1:

 Remove packaging from C-40X cabinet.

STEP 2:

 Remove shipping carton from T-420-1 press. There are 

two 1/2”-13 tapped holes in top of plate which may be used for 
lifting purposes (figure 1 ). 

STEP 3: 

Using an adequate lifting device, raise the press to the 

left side of cabinet. Align holes in press support brackets with 
predrilled holes in cabinet. Insert bolts (found in cabinet) through 
top of cabinet. Washers and nuts are installed from underneath. 
Tighten. 

STEP 4:

 The T-421U Electric Pump mounts on the right side of 

the cabinet. Predrilled holes align the pump. Insert bolts through 
top of cabinet. Washers and nuts are installed from underneath. 
Tighten. 

STEP 5:

 Remove plug from outlet port in pump. 

STEP 6:

 Locate press/pump connecting hose assembly (T-410-

22) and remove 4315X8 For-Seal adapter. Thread adapter into 
outlet port in pump (step 5). 

STEP 7: 

Connect Hose assembly (T-410-22) to For-Seal adapter 

on press and pump. Tighten. 

STEP 8:

 Before the electric pump (T-421U) can be activated, 

the male and female electrical disconnects must be mated. The 
female half and wire harness is shipped with the T-421U pump. 
Both male and female halves are keyed so that they can be con-
nected in only the correct position. After the connection is made, 
tighten the knurled nut. 

STEP 9: 

Plug electric cord into a grounded 220 volt, 60 cycle, 

single phase outlet. THE PUMP MUST BE ON A 15 AMP FUSED 
ELECTRICAL CIRCUIT. If using T-421U-110 110v pump, plug elec-
tric cord into a grounded 110 volt, 60 cycle, single phase outlet. 
The pump must be on a 30 amp fused electrical circuit.

FF91420 Cart

Holes are pre-drilled for the T-420 and ET4001 crimp machines.

FF91420 Cart

½ -13UNC-2Bx ¾DP.  

TAPPED HOLES  

(2 PLACES)

8½ DIA.

Figure 1 - Lifting hole  

Layout on Top Plate

Summary of Contents for T-420

Page 1: ......

Page 2: ...P WORK AREA CLEAN Cluttered areas and benches invite accidents 13 DO NOT OPERATE WITHOUT THE BASE ADAPTER RING IN PLACE Safety instructions T 420 Crimp machine WARNING Danfoss s hose and Danfoss hose...

Page 3: ...amp fused circuit Pump wired for 220 volts single phase T 421U 110 Electric pump 110 volt For dimensional data other than voltage information refer to T 421U see above T 421U 110CSA CSA approved Note...

Page 4: ...4 The T 421U Electric Pump mounts on the right side of the cabinet Predrilled holes align the pump Insert bolts through top of cabinet Washers and nuts are installed from underneath Tighten STEP 5 Rem...

Page 5: ...1U power unit on mounting surface to the right and slightly behind the T 420 1 press 5 Mark mounting hole location for power unit and drill holes in mounting surface 6 Replace power unit and align hol...

Page 6: ...power cord into 220 volt 60 cycle single phase outlet It is recommended that the pump be on an individual 15 amp fused electrical circuit If using T 421U 110 pump plug power cord into 110 volt 60 cycl...

Page 7: ...t and pusher halves will open Remove factory quality crimped hose assembly and visually inspect 6 To ensure a proper crimp has been completed measure the nominal crimp diameter as shown in figure on p...

Page 8: ...mped portion of the hose end 2 Place the caliper in a position to allow for a measurement across the pressed flat portion of the crimp 3 See crimp diameters in crimp specifications Maintenance Collet...

Page 9: ...rom bottoming Remove 3 8 NPTF plug from port above check valve and install 6000 PSI pressure gauge With 6000 PSI pressure gauge in place operate unit to full crimping position Gauge should read 4000 4...

Page 10: ...crimp pressure blows fuse Pump unload valve stuck shut Replace pump Motor runs Pusher advances but doesn t develop final crimp pressure Relief valve leaking Shuttle valve leaking Relief valve set low...

Page 11: ...lb T 420 LA Light assembly T 420 LS Light switch T 420 P Pusher set 2 with wear plates and screws T 420 S Press shroud with decals T 420 26 Insert base plate T 420 G Linkage assembly T 420 2R Rack T 4...

Page 12: ...y on orderprovided that such alterations can be made without subsequent changes being necessary in specifications already agreed All trademarks in this material are property of the respective companie...

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