Stanley GD50 User manual

Safety ,Operation and Maintenance
Service Manual
©2000THESTANLEYWORKS.
All rights reserved
OPS/MAINT USA VERSION
PrintedinU.S.A.
39235Ver3,10/2002
GD50
Hydraulic Rod Driver
SERIOUS INJURY OR DEATH
COULD RESULT FROM THE
IMPROPER REPAIR OR SERVICE OF
THIS TOOL.
REPAIRSAND / OR SERVICE TO
THIS TOOLMUST ONLYBE DONE
BY AN AUTHORIZED AND CERTI-
FIED DEALER.
Stanley Hydraulic Tools
3810SENaefRoad
Milwaukie,OR97267-5698USA
Phone:[phone]
Fax:[phone]

COPYRIGHT© 2002 The Stanley Works. All rights re-
served.
Under copyright law, this document may not be copied in
whole or in part without the prior written consent of The
Stanley Works. This exception does not permit copies to be
made for others, whether or not sold. Under the law, copying
includes translating into another language, format, or me-
dium. This copyright notice must appear on any permitted
copies.
SAFETY FIRST
It is the responsibility of the operator
and service technician to read rules and
instructions for safe and proper
operation and maintenance.
A cautious worker
using common sense
is the greatest safety device

1
CONTENTS
Charging TheAccumulator ......................................................................8
Hydraulic Hose Requirements .................................................................5
HydraulicRequirements...........................................................................6
Operation.................................................................................................7
Parts Illustration ..................................................................................... 11
Parts List................................................................................................12
SafetyPrecautions............................................................................. 2 - 3
Special Service Tools .............................................................................10
Specifications.........................................................................................10
Tool Stickers and Tags .............................................................................4
Troubleshooting .......................................................................................9
Warranty ................................................................................................13
SERIOUS INJURY OR DEATH COULD RESULT FROM THE IM-
PROPER REPAIR OR SERVICE OF THIS TOOL.
REPAIRS AND / OR SERVICE TO THIS TOOL MUST ONLY BE
DONE BY AN AUTHORIZED AND CERTIFIED DEALER.
SERVICING GD50 Rod Drivers: This manual contains safety, operation, and routine maintenance
instructions. Stanley Hydraulic Tools recommends that servicing of hydraulic tools, other than
routine maintenance, must be performed by an authorized and certified dealer. Please read the
following warning.

2
Tool operators and maintenance personnel must always comply with the safety precautions given in this manual and
on the stickers and tags attached to the tool and hose.
These safety precautions are given for your safety. Review them carefully before operating the tool and before
performing general maintenance or repairs.
Supervising personnel should develop additional precautions relating to the specific work area and local safety
regulations. If so, place the added precautions in the space provided in this manual.
GENERAL SAFETY PRECAUTIONS
The GD50 Hydraulic Rod Driver will provide safe and dependable service if operated in accordance with the
instructions given in this manual. Read and understand this manual and any stickers and tags attached to the tool and
hoses before operation. Failure to do so could result in personal injury or equipment damage.
• Operator must start in a work area without bystanders. The operator must be familiar with all prohib-
ited work areas such as excessive slopes and dangerous terrain conditions.
• Establish a training program for all operators to ensure safe operation.
• Do not operate the tool unless thoroughly trained or under the supervision of an instructor.
• Always wear safety equipment such as goggles, ear and head protection, and safety shoes at all times
when operating the tool.
• Do not inspect or clean the tool while the hydraulic power source is connected. Accidental engage
ment of the tool can cause serious injury.
• Always connect hoses to the tool hose couplers before energizing the hydraulic power source. Be
sure all hose connections are tight.
• Do not operate the tool at oil temperatures above 140°F/60°C. Operation at higher temperatures can
cause higher than normal temperatures at the tool which can result in operator discomfort.
• Do not operate a damaged, improperly adjusted, or incompletely assembled rod driver.
• Do not weld, cut with an acetylene torch, or hardface the rod driver anvil or guide housing.
• To avoid personal injury or equipment damage, all tool repair, maintenance and service must only be
performed by authorized and properly trained personnel.
• Always replace parts with replacement parts recommended by Stanley Hydraulic Tools.
• Check fastener tightness often and before each use daily.
SAFETY

3
This safety symbol may appear
on the tool. It is used to alert
the operator of an action that
could place him/her or others in
a life threatening situation.
This safety symbol appears in
these instructions to identify
an action that could cause
bodily injury to the operator or
other personnel.
Always observe safety symbols. They are included for your safety and for the protection of the tool.
LOCAL SAFETY REGULATIONS
Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and maintenance
personnel.
SAFETY Continued . . .
SAFETY SYMBOLS
Safety symbols are used to emphasize all operator, maintenance and repair actions which, if not strictly followed,
could result in a life-threatening situation, bodily injury or damage to equipment.
This safety symbol appears in
these instructions to identify
an action or condition that
could result in damage to the
tool or other equipment.

4
DANGER
IMPORTANT
READ OPERATION MANUAL AND
SAFETY INSTRUCTIONS FOR THIS
TOOL BEFORE USING IT.
USE ONLY PARTS AND REPAIR
PROCEDURES APPROVED BY
STANLEY AND DESCRIBED IN THE
OPERATION MANUAL.
TAG TO BE REMOVED ONLY BY
TOOL OPERATOR.
SEE OTHER SIDE
1. FAILURE TO USE HYDRAULIC HOSE LABELED AND CERTI-
FIEDASNON-CONDUCTIVEWHENUSINGHYDRAULICTOOLS
ONOR NEAR ELECTRICAL LINESMAY RESULT IN DEATH OR
SERIOUS INJURY.
BEFORE USING HOSE LABELED AND CERTIFIED AS NON-
CONDUCTIVE ON OR NEAR ELECTRIC LINES BE SURE THE
HOSE IS MAINTAINED AS NON-CONDUCTIVE. THE HOSE
SHOULDBE REGULARLY TESTED FORELECTRICCURRENT
LEAKAGE IN ACCORDANCE WITH YOUR SAFETY DEPART-
MENT INSTRUCTIONS.
2. A HYDRAULIC LEAK OR BURST MAY CAUSE OIL INJECTION
INTO THE BODY OR CAUSE OTHER SEVERE PERSONAL IN-
JURY.
ADO NOT EXCEED SPECIFIED FLOW AND PRESSURE FOR
THIS TOOL. EXCESS FLOW OR PRESSURE MAY CAUSE A
LEAK OR BURST.
BDO NOT EXCEEDRATEDWORKING PRESSURE OF HYDRAU
LICHOSEUSED WITH THIS TOOL. EXCESS PRESSURE MAY
CAUSE A LEAK OR BURST.
C CHECK TOOL HOSE COUPLERS AND CONNECTORS DAILY
FORLEAKS. DO NOT FEEL FOR LEAKS WITH YOURHANDS.
CONTACTWITHALEAKMAYRESULTINSEVEREPERSONAL
INJURY.
IMPORTANT
READ OPERATION MANUAL AND
SAFETY INSTRUCTIONS FOR THIS
TOOL BEFORE USING IT.
USE ONLY PARTS AND REPAIR
PROCEDURES APPROVED BY
STANLEY AND DESCRIBED IN THE
OPERATION MANUAL.
TAG TO BE REMOVED ONLY BY
TOOL OPERATOR.
SEE OTHER SIDE
DANGER
D DO NOT LIFT OR CARRY TOOL BY THE HOSES. DO NOT
ABUSE HOSE. DO NOT USE KINKED, TORN OR DAMAGED
HOSE.
3. MAKESUREHYDRAULICHOSESAREPROPERLYCONNECTED
TO THE TOOL BEFORE PRESSURING SYSTEM. SYSTEM
PRESSURE HOSE MUST ALWAYS BE CONNECTED TO TOOL
"IN" PORT. SYSTEM RETURN HOSE MUST ALWAYS BE CON-
NECTEDTO TOOL "OUT" PORT. REVERSING CONNECTIONS
MAY CAUSE REVERSE TOOL OPERATION WHICH CAN RE-
SULT IN SEVERE PERSONAL INJURY.
4. DO NOT CONNECT OPEN-CENTER TOOLS TO CLOSED-CEN-
TER HYDRAULIC SYSTEMS. THIS MAY RESULT IN LOSS OF
OTHER HYDRAULIC FUNCTIONS POWERED BY THE SAME
SYSTEM AND/OR SEVERE PERSONAL INJURY.
5. BYSTANDERSMAY BE INJURED INYOUR WORK AREA. KEEP
BYSTANDERS CLEAR OF YOUR WORK AREA.
6. WEARHEARING, EYE, FOOT, HANDANDHEAD PROTECTION.
7. TO AVOID PERSONAL INJURY OR EQUIPMENT DAMAGE, ALL
TOOL REPAIR MAINTENANCE AND SERVICE MUST ONLY BE
PERFORMED BY AUTHORIZED AND PROPERLY TRAINED
PERSONNEL.
SAFETY TAG P/N 15875(shown smaller than actual size)
The safety tag (p/n 15875)
at right is attached to the
tool when shipped from
the factory. Read and
understand the safety
instructions listed on this
tag before removal. We
suggest you retain this tag
and attach it to the tool
when not in use.
15875 15875
37425 NAME TAG
TOOL STICKERS & TAGS
GD50 ROD DRIVER
StanleyHydraulicTools
DivisionofTheStanleyWorks
FLOW 26-34 LPM/7-9 GPM
PRESS 105-140 BAR
1500-2000 PSI
ACCUMULATOR CHG
42 BAR/600 PSI
NITROGEN
A nameplate sticker is attached to the
spike driver on the cylinder below the
handle. Never exceed the flow and
pressure levels specified on this
sticker.
The information listed on the flow and
pressure sticker must be legible at all
times. Replace this sticker if it
becomes worn or damaged. A re-
placement is available from your
local Stanley distributor.
MODEL NUMBER
LOCATION

5
D A N G E R
DO NOT REMOVE THIS TAG
D A N G E R
1 FAILURE TO USE HYDRAULIC HOSE LABELED AND CERTIFIED AS NON-CONDUCTIVE
WHEN USING HYDRAULIC TOOLS ON OR NEAR ELECTRIC LINES MAYRESULT IN DEATH
OR SERIOUS INJURY.
FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROPERLY
TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND
ELECTRIC LINES.
2. BEFORE USING HYDRAULIC HOSE LABELED AND CERTIFIED AS NON-CONDUCTIVE ON
OR NEAR ELECTRIC LINES. WIPE THE ENTIRE LENGTH OF THE HOSE AND FITTING
WITH A CLEAN DRY ABSORBENT CLOTH TO REMOVE DIRT AND MOSISTURE AND TEST
HOSE FOR MAXIMUM ALLOWABLE CURRENT LEAKAGE IN ACCORDANCE WITH SAFETY
DEPARTMENT INSTRUCTIONS.
SEE OTHER SIDE
DO NOT REMOVE THIS TAG
3. DO NOT EXCEED HOSE WORKING PRESSURE OR ABUSE HOSE. IMPROPER USE OR
HANDLING OF HOSE COULD RESULT IN BURST OR OTHER HOSE FAILURE. KEEP HOSE
AS FAR AWAY AS POSSIBLE FROM BODY AND DO NOT PERMIT DIRECT CONTACT
DURING USE. CONTACT AT THE BURST CAN CAUSE BODILY INJECTION AND SEVERE
PERSONAL INJURY.
4. HANDLE AND ROUTE HOSE CAREFULLY TO AVOID KINKING, ABRASION, CUTTING, OR
CONTACT WITH HIGH TEMPERATURE SURFACES. DO NOT USE IF KINKED. DO NOT USE
HOSE TO PULL OR LIFT TOOLS, POWER UNITS, ETC.
5. CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS, BULGES, OR DAMAGE TO
COUPLINGS IF ANY OF THESE CONDITIONS EXIST, REPLACE THE HOSE IMMEDIATELY.
NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE.
6. AFTER EACH USE STORE IN A CLEAN DRY AREA.
SEE OTHER SIDE
HOSE TYPES
Hydraulic hose types authorized for use with Stanley Hydraulic Tools are as follows:
➊➊
➊➊
➊Certified non-conductive
➋➋
➋➋
➋Wire-braided (conductive)
➌➌
➌➌
➌Fabric-braided (not certified or labeled non-conductive)
Hose ➊➊
➊➊
➊listed above is the only hose authorized for use near electrical conductors.
Hoses ➋➋
➋➋
➋and ➌➌
➌➌
➌listed above are conductive and must never be used near electrical conductors.
HOSE SAFETY TAGS
To help ensure your safety, the following DANGER tags are attached to all hose purchased from Stanley Hydraulic
Tools. DO NOT REMOVE THESE TAGS.
If the information on a tag is illegible because of wear or damage, replace the tag immediately. Anew tag may be
obtained at no charge from your Stanley Distributor.
SIDE 1 SIDE 2
D A N G E R
DO NOT REMOVE THIS TAG
D A N G E R
1 DO NOT USE THIS HYDRAULIC HOSE ON OR NEAR ELECTRIC LINES. THIS HOSE IS NOT
LABELED OR CERTIFIED AS NON-CONDUCTIVE. USING THIS HOSE ON OR NEAR
ELECTRICAL LINES MAY RESULT IN DEATH OR SERIOUS INJURY.
2. FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROPERLY
TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND
ELECTRIC LINES.
3. DO NOT EXCEED HOSE WORKING PRESSURE OR ABUSE HOSE. IMPROPER USE OR
HANDLING OF HOSE COULD RESULT IN BURST OR OTHER HOSE FAILURE. KEEP HOSE
AS FAR AWAY AS POSSIBLE FROM BODY AND DO NOT PERMIT DIRECT CONTACT
DURING USE. CONTACT AT THE BURST CAN CAUSE BODILY INJECTION AND SEVERE
PERSONAL INJURY.
4. HANDLE AND ROUTE HOSE CAREFULLY TO AVOID KINKING, CUTTING, OR CONTACT
WITH HIGH TEMPERATURE SURFACES. DO NOT USE IF KINKED. DO NOT USE HOSE TO
PULL OR LIFT TOOLS, POWER UNITS, ETC.
SEE OTHER SIDE
DO NOT REMOVE THIS TAG
SIDE 1 SIDE 2
HOSE PRESSURE RATING
The rated working pressure of the hydraulic hose must be equal to or higher than the relief valve setting on the hydrau-
lic system.
5. CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS, BULGES, OR DAMAGE TO
COUPLINGS IF ANY OF THESE CONDITIONS EXIST, REPLACE THE HOSE IMMEDIATELY.
NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE.
6. AFTER EACH USE STORE IN A CLEAN DRY AREA.
SEE OTHER SIDE
3(shown smaller than actual size)
(shown smaller than actual size)
HYDRAULIC HOSE REQUIREMENTS
The tag shown below is attached to "certified non-conductive" hose.
The tag shown below is attached to "conductive" hose.

6
• The hydraulic system should provide a flow of 5-9
gpm/19-34 lpm at an operating pressure of 1500-2000
psi/105-140 bar. Recommended relief valve setting is
2100-2250 psi/145-155 bar.
• The system should have no more than 250 psi/17 bar
backpressure measured at the tool end of the operating
hoses. The system conditions for measurement are at
maximum fluid viscosity of 400 ssu/82 centistokes
(minimum operating temperatures).
• The hydraulic system should have enough heat
rejection capacity to limit the maximum oil temperature
to 140°F/60°C at the maximum expected ambient
temperature.
• The hydraulic system should have a minimum of 25
micron filtration. Stanley recommends using filter
elements sized for a flow of at least 30 gpm/114 lpm for
cold temperature startup and maximum dirt holding
capacity.
• The hydraulic fluid used should have a viscosity
between 100 and 400 ssu/20 and 82 centistokes at the
maximum and minimum expected operating tempera-
tures. Petroleum base hydraulic fluids with antiwear
properties and a viscosity index over 140 ssu/28
centistokes will meet the recommended requirements
over a wide range of operating temperatures.
• The recommended hose size is .500 inch/12 mm I.D.
up to 50 ft/15 m long and .625 inch/16 mm I.D. mini-
mum up to 100 ft/30 m long.
• Quick disconnect couplings must conform to NFPA
T3.20,15/EHTMA specifications.
HYDRAULIC SYSTEM REQUIREMENTS

7
PREOPERATION
PROCEDURES
Check Hydraulic Power Source
1. Using a calibrated flowmeter and pressure gauge,
check that the hydraulic power source develops a
flow of 7-10 gpm/26-38 lpm for HTMA type II
tools/EHTMA category D at 2000 psi/105-140 bar.
2. Make certain the hydraulic power source is equipped
with a relief valve set to open at 2100-2250 psi/145-
155 bar minimum.
3. Check that the hydraulic circuit matches the tool for
open-center (OC) operation.
CheckTool
1. Make sure the tool contains the correct anvil for the
rod size to be driven. Use the 5/8 inch anvil
(standard in the model GD50132 & GD50132RF
Rod Driver) for 5/8 inch diameter rod. Use the 1
inch anvil (standard in the model GD50133 &
GD50133RF Rod Driver) for 3/4 inch to 1 inch
diameter rod. Failure to use the correct anvil with the
appropriate rod size can result in damage to the tool
or personal injury.
2. There should be no signs of leaks.
3. The tool should be clean, with all fittings and
fasteners tight.
CheckTrigger Mechanism
1. Check that the trigger operates smoothly and is free
to travel between the "ON" and "OFF" positions.
ConnectHoses
PreparationForInitial Use
Each unit as shipped has no special unpacking or
assembly requirements prior to usage. Inspection to
assure the unit was not damaged in shipping and does
not contain packing debris is all that is required.
1. Wipe all hose couplers with a clean lint-free cloth
before making connections.
2. Connect the hoses from the hydraulic power source
to the hose couplers on the rod driver. It is a good
practice to connect the return hose first and discon-
nect it last to minimize or avoid trapped pressure
within the rod driver.
3. Observe flow indicators stamped on hose couplers to
be sure that oil will flow in the proper direction. The
female coupler is the inlet coupler.
NOTE: The pressure increase in uncoupled
hoses left in the sun may result in making them
difficult to connect. When possible, connect
the free ends of operating hoses together.
OPERATING PROCEDURES
1. Observe all safety precautions.
2. Move the hydraulic circuit control valve to the
"ON" position.
3. Place the anvil of the rod driver over the rod to be
driven.
4. Ensure adequate down pressure is applied to the rod
driver before starting the rod driver. To start the rod
driver, press the button on the control valve to the
"ON" position. Adequate down pressure is very
important. When you wish to stop the tool, press the
button on the control valve to the "OFF" position.
COLD WEATHER OPERATION
If the rod driver is to be used during cold weather,
preheat the hydraulic fluid at low engine speed. When
using the normally recommended fluids, fluid tempera-
ture should be at or above 50° F/10° C (400 ssu/82
centistokes) before use.
OPERATION

8
Good maintenance practices will keep the rod driver on
the job and increase its service life.
A very important maintenance practice is to keep the
hydraulic fluid clean at all times. Contaminated
hydraulic fluid causes rapid wear and/or failure of
internal parts.
Follow the procedures contained in the HYDRAULIC
SYSTEM REQUIREMENTS section of this manual to
ensure peak performance from the tool. Never disas-
semble the rod driver unless proper troubleshooting
procedures have isolated the problem to an internal
part. Then, only disassemble it to the extent necessary
to replace the defective part. KEEP CONTAMINANTS
SUCH AS DIRT AND GRIT AWAY FROM INTER-
NAL PARTS AT ALL TIMES.
Always determine and correct the cause of the problem
prior to reassembly. Further wear and tool failure can
result if the original cause is not corrected.
DISASSEMBLY
Prior to Disassembly
Clean the exterior of the tool.
Obtain a seal kit to replace all seals exposed during
disassembly. Note the orientation of seals before
removing them. Install new seals in the same
position as original seals.
Discharging The Accumulator
1. Secure the rod driver in a bench vise, with the “IN”
and “OUT” ports up, clamping on the flow sleeve
tube between the side rods. Soft vise jaws are
recommended.
2. Remove the pigtail hose assemblies and the valve
(49).
Note: The rod driver is full of fluid which
will drip from the ports when the hoses are
removed.
3. Remove the plug (3) from the side of the top plate
(7). Discharge the accumulator by depressing the
plunger in the charge valve (5).
Top Plate, Accumulator Diaphragm & Valve
Spool
4. Unscrew and remove the 2 capscrews (2) located on
the top of the top plate (7).. Loosen the 4 setscrews
(8) and remove the 2 handle bars (1).
5. Remove the four lock nuts (6) and lift off the top
plate (7).
6. Lift out the accumulator diaphragm (9).
7. Lift out the valve spool (11) and the spring (12).
Discard the o-ring (10).
Guide Housing, Rod Anvil, & Adaptor Block
8. Unscrew and remove the 2 capscrews (2).
9. Remove the guide housing (48) , rod anvil (46),
and spring (45).
10. Remove the adaptor block (43) by tapping the top of
the flange with a plastic or rubber hammer to drive
it from the flow sleeve tube (34). Remove the cup
seal, seal washer and rod wiper (41, 40, & 39) from
the adaptor block using the proper o-ring tools to
avoid damage to grooved surfaces.
11. Remove the accumulator valve block (13) from the
flow sleeve tube assembly by tapping on the lower
edge of the accumulator valve block with a plastic
or rubber hammer.
Piston, Automatic Valve Body, Automatic
Valve & Flow Sleeve
12. Remove the piston (37) from the flow sleeve (35)
and automatic valve body (21).
13. To disassemble the flow sleeve assembly, proceed as
follows:
a. Place the flow sleeve removal tool (p/n 04919)
on top of the flow sleeve removal tube (p/n
04910). Place the flow sleeve assembly (auto-
matic valve body down) on the flow sleeve
removal tool.
Use a rag in the bottom of the removal tube
to protect the parts when they drop out.
IMPORTANT
SERVICE

9
2. Apply grease and install a new o-ring (38) onto the
adaptor block (43). Apply grease and install a new
wiper ring (39), lip facing down. Apply grease and
install the back-up washer (40) and the cup seal
(41), lips facing up. Refer to the illustration above
for correct orientation of the seals.
3. Lubricate the entire bore of the flow sleeve tube
(34) with hydraulic fluid and place it onto the
adaptor block (o-ring groove up).Tap it down using
a plastic or rubber hammer. Position the flow sleeve
(35) with the push pin holes facing up and place it
into the flow sleeve tube with the o-ring groove on
the tube also facing up. Push the flow sleeve into
the flow sleeve tube until it is flush with the top of
the flow sleeve tube. Use an arbor press and an
aluminum disc to protect the parts if necessary.
4. Lubricate and install four push pins (36) into the
holes in the flow sleeve. One end of each push pin
contains a machined surface. This surface must be
facing up as each push pin is installed. Each push
pin must slide freely in or out of the hole in the flow
sleeve. If a push pin does not slide freely or seems
to stick, the hole may contain contamination or the
top edge of the hole contains a burr. Remove burrs
with a deburring tool, clean the hole thoroughly and
try the push pin again.
Automatic Valve Body & Automatic Valve
5. Tap a roll pin (32) into the hole on the automatic
valve (30) side of the automatic valve body (21).
6. Lubricate with hydraulic fluid and install 2 push
pins (31) into the holes in the valve body. One end
of each push pin contains a machined surface. This
surface must be facing up as each push pin is
installed. Each push pin must slide freely in or out
of the hole in the valve body. If a push pin does not
slide freely or seems to stick, the hole may contain
contamination or the top edge of the hole contains a
burr. Remove burrs with a deburring tool, clean the
hole thoroughly and try the push pin again.
7. Lubricate with hydraulic fluid the automatic valve
and install it into the valve body. The automatic
valve must slide freely back and forth. If it does not,
the valve body or valve may contain contaminants
or the bore of the valve body contains burrs.
Remove the push pins and lightly polish the bore of
the valve body with emery cloth and then thor-
oughly clean the bore, push pin holes and valve.
Reinstall the push pins and valve.
8. Grasp the automatic valve body and valve so that
one or more fingers are gripping the valve to
IMPORTANT
b. Using an arbor press and an aluminum disc to
protect the flow sleeve, push on the flow sleeve
to remove the automatic valve body from the
flow sleeve tube. The automatic valve (30), push
pins (31) and push pins (36) will come out. Set
these parts aside before continuing.
c. Continue pressing on the flow sleeve until it
drops out of the flow sleeve tube.
Porting Block
14. Clamp the accumulator valve block (13) in a vise
with soft jaws. Use a 3/8-16 thread slide hammer
or tamper sleeve tool (p/n 01120) to remove the
porting block (19) from the accumulator valve
block.
Do not over-tighten the vise and distort the
block.
ASAS
ASAS
ASSEMBLSEMBL
SEMBLSEMBL
SEMBLYY
YY
Y
Prior To Assembly
•Clean all parts with a degreasing solvent.
•Apply clean grease or o-ring lubricant to all parts
during assembly.
•Obtain a seal kit so that all seals exposed during
disassembly can be replaced. Note: For orientation
of parts identified in the following procedures, see
the parts illustration.
Installing the Flow Sleeve
1. Inspect the upper anvil stop (44). If it is broken or
distorted, it and the adaptor block (43) must be
replaced. The upper anvil stop is pressed into the
counter bore of the adaptor block as shown in the
illustration below.
UPPER ANVIL
BLOCK
ADAPTOR BLOCK
WIPER RING
CUP SEAL
BACK-UP WASHER
ROD ANVIL

10
prevent it and the push pins from falling out when
the valve body and valve are turned upside down
(roll pin facing down). Place the assembly on top of
the flow sleeve making sure the roll pin aligns with
the appropriate hole in the flow sleeve.
9. Push the automatic valve body assembly into the
flow sleeve tube until it stops. Use an arbor press,
and an aluminum disc to protect the parts if
necessary.
Piston & Porting Block
10. Using hydraulic fluid, lubricate and install the
piston (37) into the top of the automatic valve body.
The hole in the end of the piston must be facing up.
11. Install a roll pin into the porting block (32).
Lubricate and install the o-ring (18) and backup
ring (17) onto the porting block. Install the porting
block onto the automatic valve body being careful to
properly align the roll pin.
12. Using hydraulic fluid, lubricate the porting block
bore of the accumulator valve block (13) and then
install the accumulator valve block onto the
automatic valve body and flow sleeve assembly and
tap it into place.
13. Using hydraulic fluid, lubricate the spring (12) and
install it into the spool bore of the accumulator
valve block. Apply grease and install a new o-ring
(10) onto the valve spool (11). Lubricate the valve
spool with hydraulic fluid and install it into the
spool bore of the accumulator valve block.
14. Lubricate the diapragm (9) inside and out with
WD40®. Install the diapragm into the accumulator
valve block.
15. Place the top plate (7) onto the accumulator valve
block.
16. Install the 4 side rods (42) and nuts (6). Tighten the
nuts in a cross pattern to 75 lb. ft./102 Nm in 25 lb.
ft./34 Nm increments.
17. Place the complete assembly in a vise with soft jaws
and clamp on the flow sleeve tube.
Rod Anvil, Spring, Anvil Guide & Guide
Housing
18. Inspect the anvil guide (47) for wear and damge. If
the anvil guide must be replaced, then the guide
housing (48) must also be replaced.
19. Lubricate the spring (45), rod anvil (46), and
adjoining parts with anti-seize compound. Install
the rod anvil into the anvil guide. Install the spring
into the upper anvil stop and then install the guide
housing assembly, with rod anvil installed, onto the
adaptor block. Apply Loctite™ 242 to the threads
of the capscrews (2) and then install the capscrews.
Tighten the capscrews to 90 lb. ft./122 Nm.
20. Install the 2 handle bars and secure with the
capscrews (2). Tighten the capscrews to 90 lb. ft./
122 Nm. Apply Loctite™242 to the threads of the
setscrews (8). Install and tighten.
21. Charge the accumulator with nitrogen to 600 psi/42
bar as described in the "CHARGING THE ACCU-
MULATOR" section.

8
CHARGING THE ACCUMULACHARGING THE ACCUMULA
CHARGING THE ACCUMULACHARGING THE ACCUMULA
CHARGING THE ACCUMULATORTOR
TORTOR
TOR
To check or charge the accumulator the following
equipment is required:
• Accumulator tester (Part Number 02835).
• Charging assembly (Part Number 06545) (includes
a regulator, hose and fitting).
•NITROGEN bottle with a 800 psi/56 bar minimum
charge.
1. Holding the chuck end of the Stanley tester (p/n
02835), turn the gauge fully counterclockwise to
ensure the stem inside the chuck is completely
retracted.
2. Thread the tester onto the charging valve of the tool
accumulator (do not advance the gauge-end into the
chuck end. Turn as a unit). Seat the chuck on the
accumulator charging valve by hand tightening only.
3. Advance the valve stem by turning the gauge- end
clockwise.
4. Connect the charging assembly to the valve on the
tester.
5. Adjust the regulator on the nitrogen bottle to 600
psi/42 bar.
NOTE: It may be necessary to set the regulator at
650-700 psi/41-48 bar to overcome any pressure
drop through the charging system.
6. Open the valve on the charging assembly hose.
When the tester gauge reads 600-700 psi41-48 bar,
close the valve on the charging assembly hose and
remove the charging assembly.
7. Turn the gauge end of the tester fully counterclock-
wise to retract the plunger in the chuck. Remove
the tester from the charge valve.
8. Replace the valve cap.
TESTING THE ACCUMULATESTING THE ACCUMULA
TESTING THE ACCUMULATESTING THE ACCUMULA
TESTING THE ACCUMULATORTOR
TORTOR
TOR PRESPRES
PRESPRES
PRESSURESURE
SURESURE
SURE
1. Follow instructions 1 through 3 under "CHARG-
ING THE ACCUMULATOR".
2. Read the pressure on the gauge. It should be
between 500-700 psi/35-48 bar.
3. If the pressure is low, recharge the tool.
Regulator
Nitrogen Tank
Hose w/
Charge Fitting
Gauge
Charging Valve
Chuck
02835 TESTER
06545ACCUMULATOR
CHARGE KIT
Includes: Regulator, hose
and charge fitting.
CHARGING THE ACCUMULATOR

9
If symptoms of poor performance develop, the following
chart can be used as a guide to correct the problem.
When diagnosing faults in operation of the spike driver,
always check that the hydraulic power source is supply-
ing the correct hydraulic flow and pressure to the spike
driver as listed in the table. Use a flowmeter known to
be accurate. Check the flow with the hydraulic oil
temperature at least 80°F/27°C.
Rod driver does not run. Power unitnot functioning. Check power unit for proper flow
and pressure (7-10 gpm / 26-38
lpm, 2000 psi / 140 bar).
Couplers or hoses blocked. Remove restriction.
Presssure and return line hoses Be sure hoses are connected to
reversed at ports. their proper ports.
Mechanical failure of piston or Have inspectedand repairedby
automaticvalve. authorizeddealer.
Rod driver does not hit Power unitnot functioning. Check power unit for proper flow
effectively. and pressure (7-10 gpm / 26-38
lpm, 2000 psi / 140 bar).
Couplers or hose blocked. Remove restriction,
Low accumulator charge Have rechargedby authorized
(pressure hose will pulse more dealer.
than normal).
Fluid too hot Provide cooler to maintain proper
(above 140° F / 60° C). fluid temperature.
RodAnvil is not sliding freely in Remove, clean and replace as
the anvil guide. required.
Rod driver operates slow. Low oil flow from power unit. Check power source for proper
flow.
High backpressure. Check hydraulic system for
excessive backpressure and
correct as required.
TROUBLESHOOTING

10
Capacity (RodAnvil)
1/2 to 5/8 inch/12 to 16 mm diameter rod (model GD50132 & GD50132RF)
3/4 to 1 inch/19 to 25 mm diameter rod (model GD50133 & GD50133RF)
Pressure Range ................................................................................................1500-2000 psi/105-140 bar
Maximum Back Pressure ......................................................................................................250 psi/17 bar
Flow Range .................................................................................................................. 5-9 gpm/19-34 lpm
Couplers ...........................................................................HTMA/EHTMA Flush Face Type Male & Female
Hose Whips........................................................................................................................................... Yes
Weight ...................................................................................................................... 57.3 lbs./26 kg
Overall Length ............................................................................................................. 25.5 inches/64.8 cm
Overall Width.................................................................................................................. 10 inches/25.4 cm
Maximum Fluid Temperature ...................................................................................................140° F/60° C
DESCRIPTION PART NUMBER USAGE
O-ring Tool Kit 04337 General Service of Seals
Split Rings 04908 Used with 04910
Flow Sleeve Removal Tool 04919 Flow Sleeve Removal
Flow Sleeve RemovalTube 04910 Used with 04908 & 05508
Bearing Puller Kit 05064 General Bearing Pulling
Accumulator Disassembly Tool 05508 Used with 04910
Tamper Sleeve Tool 01120 Used to Pull Porting Block from Valve Block
Accumulator Cylinder Puller 05640 AnAluminum Disk (handy for protecting parts when using
an arbor press
SPECIFICATIONS
SPECIAL TOOLS

11

12
GD50 PARTS LIST
Part No.
Item GD50132 GD50133 GD50132RF GD50133RF Qty Description
1 35770 35770 35770 35770 2 Handle Bar
2 370351 370351 370351 370351 4 Capscrew
3 07493 07493 07493 07493 1 O-Ring Plug-Male
4 ----- ----- 05243 05243 1 Orifice Plug (Included with Item 13)
5 20499 20499 20499 20499 1 Charge Valve
6 04374 04374 04374 04374 4 Lock Nut
7 15190 15190 15190 15190 1 Top Plate
8 00720 00720 00720 00720 4 Set Screw
9 07479 07479 07479 07479 1 Diapragm
10 00293 00293 00293 00293 1 O-ring
11 15188 15188 15188 15188 1 Valve Spool
12 04058 04058 04058 04058 1 Spring
13 11588 11588 11588 11588 1 Accumulator Valve Block
14 01605 01605 01605 01605 2 O-ring (Included with Item 15)
15 350000 350000 350000 350000 2 Elbow, 45° (Included with item 14)
16 10536 10536 10536 10536 1 Selector Screw
17 04381 04381 04381 04381 2 Back-up Ring
18 04379 04379 04379 04379 2 O-ring
19 09640 09640 04378 04378 1 Porting Block
20 35784 35784 35784 35784 2 Hose Assy
21 07480 07480 07480 07480 1 Automatic Vavle Body
22 16070 16070 16070 16070 1 Retaining Ring
23 01003 01003 01003 01003 2 Valve Button
24 13568 13568 13568 13568 2 Back-up Ring
25 13567 13567 13567 13567 2 O-ring
26 38631 38631 38631 38631 1 Valve Spool
27 00936 00936 00936 00936 2 Adaptor
28 24059 24059 24059 24059 1 Male Coupler Body
29 24058 24058 24058 24058 1 Female Coupler Body
30 04382 04382 04382 04382 1 Automatic Valve
31 04571 04571 04571 04571 2 Push Pin
32 02900 02900 02900 02900 2 Roll Pin
33 37425 37425 37425 37425 1 Name Tag
34 04383 04383 04383 04383 1 Flow Sleeve Tube
35 09611 09611 04384 04384 1 Flow Sleeve
36 04605 04605 04605 04605 4 Push Pin
37 19443 19443 04954 04954 1 Piston
38 02022 02022 02022 02022 1 O-ring
39 03127 03127 04387 04387 1 Wiper Ring
40 09642 09642 04780 04780 1 Back-up Washer
41 34092 34092 04386 04386 1 Cup Seal
42 12139 12139 12139 12139 4 Side Rod
43 35119 35119 43527 43527 1 Adaptor Block
44 12143 12143 12143 12143 1 Upper Anvil Stop
45 12146 12146 12146 12146 1 Spring
46 36106 35751 36106 35751 1 Rod Anvil, 5/8 inch rods (mdl GD50132)
Rod Anvil, 3/4 to 1 inch rods (mdl GD50133)
47 35752 35752 35752 35752 1 Anvil Guide
48 35753 35753 35753 35753 1 Guide Housing
49 38629 38629 38629 38629 1 Valve Body Assy.
50 00026 00026 00026 00026 1 O-ring
MODEL DESCRIPTIONS
GD50132 - Rod Driver for 1/2 and 5/8 inch rods
GD50133 - Rod Driver for 3/4 and 1 inch rods
GD50132RF - Rod Driver for 1/2 and 5/8 inch rods
GD50133RF - Rod Driver for 3/4 and 1 inch rods
CHECK TO MAKE SURE YOU
HAVE THE CORRECT MODEL
NUMBER BEFORE ORDERING

13
38632 O.C./C.C. Inline Control Valve
Operating Instructions & Parts List
The 38632 Inline Control Valve is designed to provide the ON/OFF functions for a hydraulic tool connected to either an OPEN
CENTER (O.C.) hydraulic system or an CLOSED CENTER (C.C.) hydraulic system. The valve is to be used with tools which do not
have an ON/OFF trigger control. The 38632 Control Valve can be used on hydraulic systems producing up to 10 gpm/38 lpm with a
maximum relief valve setting of 2500 psi/172 bar. The valve ports are -8 SAE (3/4-16 thread) o-ring ports.
Setting for Open Center (O.C.) or Closed Center (C.C.)
Set the valve to O.C. or C.C. before connecting it to the hydraulic system. To set the valve for open center operation, use a straight
blade screw driver to turn the selector screw counter clockwise until it stops. To set the valve for closed center operation, turn the
selector screw clockwise until it stops.
Installing The Valve
Connect the valve to the hydraulic system as shown in the illustration.
Operating The Valve
Connect the valve to the tool using the illustration below as a guide. Make sure the valve spool on the valve is pushed OFF before
connecting the valve to the hydraulic system. Make sure the hydraulic system is OFF before connecting the valve to the hydraulic
system. Connect the valve to the hydraulic system. Turn ON the hydraulic system. Place the tool to be operated in its operating
position. Push the valve spool ON to begin operating the tool. Push the valve spool OFF to stop operating the tool. Turn the
hydraulic system OFF before disconnecting the valve.
Selector Screw
Tool Hoses
Quick Disconnect Couplers
38632 Valve
IN
(PRESSURE)
OUT
(RETURN)
Instruction Sheet P/N 39716
Be sure you know if you have an OPEN CENTER (O.C.) OR CLOSED CENTER (C.C.)
hydraulic system, DO NOT attempt to install or operate the 38632 Valve until you do.
Incorrect installation or operation of the valve can result in seal failures in the tool,
cause excessive heat in the hydraulic system, and may damage the tool and hydraulic
system. Understand which type of hydraulic system you are using before installing or
operating this valve.
00936 Adapter Fittings
HYDRAULIC
SYSTEM

WARRANTY
Stanley Hydraulic Tools (hereinafter called “Stanley”), subject to the exceptions contained below, warrants new hydraulic tools for a period of one year
from the date of sale to the first retail purchaser, or for a period of 2 years from the shipping date from Stanley, whichever period expires first, to be free
of defects in material and/or workmanship at the time of delivery, and will, at its option, repair or replace any tool or part of a tool, or new part, which is
found upon examination by a Stanley authorized service outlet or by Stanley’s factory in Milwaukie, Oregon to be DEFECTIVE IN MATERIALAND/OR
WORKMANSHIP.
EXCEPTIONS FROM WARRANTY
NEW PARTS: New parts which are obtained individually are warranted, subject to the exceptions herein, to be free of defects in material and/or
workmanship at the time of delivery and for a period of 6 months after the date of first usage. Seals and diaphragms are warranted to be free of defects
in material and/or workmanship at the time of delivery and for a period of 6 months after the date of first usage or 2 years after the date of delivery,
whichever period expires first. Warranty for new parts is limited to replacement of defective parts only. Labor is not covered.
FREIGHT COSTS: Freight costs to return parts to Stanley, if requested by Stanley for the purpose of evaluating a warranty claim for warranty credit, are
covered under this policy if the claimed part or parts are approved for warranty credit. Freight costs for any part or parts which are not approved for
warranty credit will be the responsibility of the individual.
SEALS & DIAPHRAGMS: Seals and diaphragms installed in new tools are warranted to be free of defects in material and/or workmanship for a period
of 6 months after the date of first usage, or for a period of 2 years from the shipping date from Stanley, whichever period expires first.
CUTTING ACCESSORIES: Cutting accessories such as breaker tool bits are warranted to be free of defects in material and or workmanship at the
time of delivery only.
ITEMS PRODUCED BY OTHER MANUFACTURERS: Components which are not manufactured by Stanley and are warranted by their respective
manufacturers.
a. Costs incurred to remove a Stanley manufactured component in order to service an item manufactured by other
manufacturers.
ALTERATIONS & MODIFICATIONS: Alterations or modifications to any tool or part. All obligations under this warranty shall be terminated if the new
tool or part is altered or modified in any way.
NORMAL WEAR: any failure or performance deficiency attributable to normal wear and tear such as tool bushings, retaining pins, wear plates,
bumpers, retaining rings and plugs, rubber bushings, recoil springs, etc.
INCIDENTAL/CONSEQUENTIAL DAMAGES: To the fullest extent permitted by applicable law, in no event will STANLEY be liable for any incidental,
consequential or special damages and/or expenses.
FREIGHT DAMAGE: Damage caused by improper storage or freight handling.
LOSS TIME: Loss of operating time to the user while the tool(s) is out of service.
IMPROPER OPERATION: Any failure or performance deficiency attributable to a failure to follow the guidelines and/or procedures as outlined in the
tool’s operation and maintenance manual.
MAINTENANCE: Any failure or performance deficiency attributable to not maintaining the tool(s) in good operating condition as outlined in the
Operation and Maintenance Manual.
HYDRAULIC PRESSURE & FLOW, HEAT, TYPE OF FLUID: Any failure or performance deficiency attributable to excess hydraulic pressure, excess
hydraulic back-pressure, excess hydraulic flow, excessive heat, or incorrect hydraulic fluid.
REPAIRS OR ALTERATIONS: Any failure or performance deficiency attributable to repairs by anyone which in Stanley’s sole judgement caused or
contributed to the failure or deficiency.
MIS-APPLICATION: Any failure or performance deficiency attributable to mis-application. “Mis-application” is defined as usage of products for which
they were not originally intended or usage of products in such a matter which exposes them to abuse or accident, without first obtaining the written
consent of Stanley. PERMISSION TOAPPLYANY PRODUCT FOR WHICH ITWAS NOTORIGINALLY INTENDED CAN ONLY BE OBTAINED FROM
STANLEY ENGINEERING.
WARRANTY REGISTRATION: STANLEY ASSUMES NO LIABILITY FOR WARRANTY CLAIMS SUBMITTED FOR WHICH NO TOOLREGISTRA-
TION IS ON RECORD. In the event a warranty claim is submitted and no tool registration is on record, no warranty credit will be issued without first
receiving documentation which proves the sale of the tool or the tools’ first date of usage. The term “DOCUMENTATION” as used in this paragraph is
defined as a bill of sale, or letter of intent from the first retail customer. A WARRANTY REGISTRATION FORM THAT IS NOTALSO ON RECORD
WITH STANLEY WILL NOT BE ACCEPTED AS “DOCUMENTATION”.
NO ADDITIONAL WARRANTIES OR REPRESENTATIONS
This limited warranty and the obligation of Stanley thereunder is in lieu of all other warranties, expressed or implied including merchantability or fitness
for a particular purpose except for that provided herein. There is no other warranty. This warranty gives the purchaser specific legal rights and
otherrightsmay beavailable whichmight varydepending uponapplicable law.

Stanley Hydraulic Tools • 3810 SE Naef Road • Milwaukie, Oregon 97267-5698
Ph 1-800-549-0517 • Fax [phone]