llave de caño oil country modelo 58-93r

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“a commitment to quality” POWER TUBING TONG CH58-93R OPERATION AND SERVICE MANUAL Oil Country Manufacturing, Inc. 300 W. Stanley Avenue Ventura, CA 93001 USA TEL: (805) 643 1200 FAX: (805) 643 6832 OSM-075 Last Revised Date: 04-30-02

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Page 1: Llave de Caño Oil Country Modelo 58-93R

“a commitment to quality”

POWER TUBING TONG CH58-93R

OPERATION AND SERVICE MANUAL Oil Country Manufacturing, Inc.

300 W. Stanley Avenue Ventura, CA 93001 USA

TEL: (805) 643 1200 FAX: (805) 643 6832

OSM-075 Last Revised Date: 04-30-02

Page 2: Llave de Caño Oil Country Modelo 58-93R

TABLE OF CONTENTS PAGE

Warning 1

CH 58-93R Tong Specification 2

Top Level Tong Assembly 3 – 5

Final Drive Assembly 6 – 7

Transmission Assembly 8 – 11

Pullmore Clutch Assemblies 12 – 15

Tong Jaws 16 – 18

Drag Rings 19

Retainer Rings 20

Guide Bells 20

Jaw and Carrier Packages 21 – 23

Backup Tong Assembly 24 – 25

Backup Jaws 26

Hydraulic Lift 27 – 29

Gasket Set (58-400-100) 30

Maintenance 31 – 39

Page 3: Llave de Caño Oil Country Modelo 58-93R

WARNING 1. DO NOT OPERATE, ADJUST, OR REPAIR THIS EQUIPMENT WITHOUT

PROPER TRAINING. 2. ADHERE TO ALL SAFETY STANDARDS. 3. A STIFF ARM BACK-UP IS STRONGLY RECOMMENDED, BUT IF A FLEXIBLE

LINE (CHAIN OR CABLE) MUST BE USED, THE LINE MUST BE HORIZTONAL AND AT RIGHT ANGLES TO THE LONGITUDINAL AXIS WITH NO SLACK IN THE LINE.

4. SHUT IFF ALL POWER AND DISCONNECT HYDRAULIC HOSES BEFORE CHANGING TONG DIES/JAWS, MAKING ADJUSTMENTS, REPAIRS, OR LUBRICATING THIS EQUIPMENT.

5. KEEP ALL PARTS OF THE BODY AND CLOTHING AWAY FROM MOVING PARTS.

6. FAILURE TO COMPLY WITH THIS WARNING COULD RESULT IN PERSONAL INJURY AND EQUIPMENT DAMAGE.

WARNING SNUB LINE MUST BE SECURELY ATTACHED TO REAR OF TONG AND TO ANCHOR POINT. ALL SLACK MUST BE OUT OF SNUB LINE BEFORE TONG IS OPERATED. FAILURE TO COMPLY WITH THIS WARNING MAY CAUSE SERIOUS BODILY HARM.

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TRANSMISSION ASSEMBLy (ILL-152)ITEM P/N X REF P/N QTY DESCRIPTION

1 93-3-3-200 93-3-3 1 TRANSMISSION CASE

2 93-122 -------------- 1 COVER, GUARD

3 992003-05 -------------- 6 CAP SCREW 3/8" x 1"

4 58-23-1 -------------- 1 BEARING CAP WITH HOLE FOR R.P.M COUNTER

5 992003-06 -------------- 8 CAP SCREW 3/8" x 1-1/4" HEX HEAD NC

6 50-32-1 -------------- 3 BEARING KIT CUP AND CONE

7 992154-448 58-295-2 2 "O" RING CORD

8 992488-20 11-324 2 PIPE PLUG 1-114" SQUARE HEAD

9 58-295 -------------- 2 SIDE PLATE

10 992002-03 -------------- 32 CAP SCREW 5/16" x 3/4" HEX HEAD

11 58-27-10 -------------- 1 CLUTCH LEVER

12 992154-214 11-349 1 "O" RING

13 50-28-3 -------------- 1 SHIFTING FORK

14 50-193 -------------- 1 SHIFTING YOKE

15 992488-04 -------------- 1 1/4 NPT SQUARE PLUG

16 58-400 ----------- 1 GASKET SET TRANSMISSION

17 93-295-1 -------------- 1 SIDE PLATE

18 992460-04-04 11-59 1 STR. FIT, 1/4" FERRULE TO 1/4" PIPE (BRASS)

19 93-19 -------------- 1 RING GEAR HUB & SPROCKET

20 11-572 -------------- 1 CAP SCREW 5/16" x 3/4" SKT. HEAD NF KIT WIRE & 6BOLTS

21 93-18 -------------- 1 RING GEAR COVER

22 992003-05 -------------- 12 CAP SCREW 3/8" x 1" HEX HEAD NC

23 58-23 -------------- 1 BEARING CAP

24 992207-04 11-601 1 PIPE PLUG 1/2" SKT. HEAD MAGNETIC

25 93-114 -------------- 1 OIL PUMP DISCHARGE UNE

26 992463-04-02 11-436 2 ELL 1/8" PIPE TO 1/4" FERRULE 900 BRASS

NOTE: (#1) SEE ILLUSTRATION ILL-152

TITLE: OIL COUNTRY58-93R-300 MANUFACTURING INC.

TRANSMISSION ASSY VENTURA, CA.

FOR POWER TONGSIZE ISHT 1 OF 41

REV

TYPE 58-93R A ADRAWING NO. ILLUSTRATION NO.

ILL-152-1- -

Page 11: Llave de Caño Oil Country Modelo 58-93R

--- --

TRANSMISSION ASSEMBLy (ILL-152)CONTINUED

ITEM P/N X REF P/N QTY DESCRIPTION

27 93-183 ---------- 1 BEARING KIT CUP ANO CONE

28 58-10 ---------- 1 HIGH ORIVE GEAR

29 93-11 -------------- 1 ORIVE SHAFT)

30 992641-22 11-176 1 HY-PRO KEY

31 992012-38 11-1132 1 COTTER PIN 1/8" x1-3/4"

32 58-363-1 -------------- 1 NUT

33 50-20 -------------- 1 RING GEAR & PINION

34 58-137-1 -------------- 1 PINION SPACER

35 93-32 -------------- 1 BEARING KIT CONE ANO CUP

36 50-45-1 -------------- 2 BEARING SPACER

37 58-25 -------------- 4 BEARING SKF

38 992317-268 11-900 3 SPIROLOX RING

39 50-9-1 -------------- 1 HIGH CLUTCH GEAR

40 58-14-2 -------------- 1 CLUTCH SHAFT

41 992075-116 11-595 2 SET SCREW 5/16 x 5/16" NC

42 992641-23 11-1186 6 HY-PRO KEY

43 50-13-1 -------------- 1 CLUTCH PACK (SEE SUB KIT 50-13-1) (ILL-153)

44 50-12-2 -------------- 1 LOW CLUTCH GEAR

45 58-17-3 -------------- 1 ENO PLATE

46 992003-05 93-166 14 CAP SCREW 3/8" x 1" HEX

47 92-183 ---------- 1 BEARING KIT CUP ANO CONE

48 93-37-2 ---------- 1 MOTOR AOAPTER

49 992019-05 11-113 4 CAP SCREW 3/8" x 1" SKT. HEAO NC

50 77-90 ---------- 1 COMMERCIAL MOTOR

51 93-115 ---------. 11 OIL UNE

52 58-143-1 ---------- 1 GEAR PUMP

i

TITLE: OIL COUNTRY58-93R-300 MANUFACTURING INC.

TRANSMISSION ASSY VENTURA, CA.

FOR POWER TONGSIZE I I REV

TYPE 58-93R A SHT 2 OF 4 A

DRAWING NO. ILLUSTRATION NO.

ILL-152-1

Page 12: Llave de Caño Oil Country Modelo 58-93R

TRANSMISSION ASSEMBLy (ILL-152)CONTINUED

ITEM P/N X REF P/N QTY DESCRIPTION

53 119-202 ---------- 1 OIL PUMP: SUBASSY

54 58-29-1 ---------- 1 BEARING CAP

55 992023-09 11-1492 2 CAP SCREW 1/2" x 2" HEX HEAD NC

56 992051-10 11-87 2 WASHER, 1/2" LOCK

57 992076-32 11-228 1 SET SCREW 1/4"

58 992642-04 11-299 1 DRAIN COCK

59 992134-86 .---------- 1 SET SCREW 3/8"

60 992051-06 11-196 40 WASHER, 3/8"

61 58-16 .--------- 1 SHAFT KEY

62 93-27-200 ---------- 1 FRONT INSIDE OIL UNE ASSY

63 93-28-200 ------.--- 1 BACK INSIDE OIL UNE ASSY

64 992468-05-02 ---------- 1 TEE MALE BRANCH

65 992460-04-02 ---------- 3 CONNECTOR, MALE: .25 TUBE X .12 NPT

66 992463-04-04 ---------- 1 ELBOW, MALE: .25 TUBE X .25 NPT

67 93-29-200 ---------- 1 TOP OIL UNE ASSEMBLy

68 119-204 ---------. 1 OIL PUMP SCREEN

69 992142-S-02-02 ---------- 1 ADAPTER 90 0

70 992107-20 ---------- 1 1" JAM NUT

71 992461-04-02 ---------- 1 TEE ADAPTER

72 93-1 ------.--- 1 OIL BLOCK

73 58-261-100 ------.--- 1 TOP/BOTTOM RING GEAR & PINION & CLUTCH SHAFTGASKET SET (INCLUDES 73a, 73b, 73c,&73d)

73a 58-261-005 ---------- 5 TOP/BOTTOM RING GEAR & PINION GASKET .005 THK

73b 58-261-010 ------.--- 5 TOP/BOTTOM RING GEAR & PINION GASKET .010 THK

73c 58-261-020 ---------- 5 TOP/BOTTOM RING GEAR & PINION GASKET .020 THK

73d 58-261-032 ---------- 3 TOP/BOTTOM RING GEAR & PINION GASKET .032 THK

74 92-253-100 ---------- 1 MOTOR ADAPTERI DRIVE SHAFT BEARING COVERGASKET SET (INCLUDES 74a, 74b, 74c, &74d)

TITLE: OIL COUNTRY58-93R-300 MANUFACTURING INC.

TRANSMISSION ASSY VENTURA, CA.

FOR POWER TONGSIZE ISHT 3 OF 41

REV

TYPE 58-93R A ADRAWING NO. ILLUSTRATION NO.

ILL-152-1- . -_.__._-_.•. _------

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3 1/2" TO 6 1/16"JAW & CARRIER SYSTEM ASSEMBLIES

FOR CLOSED HEAD TUBING TONGCH58-93R PARTS LIST

3 1/2" TO 6 1/16" TUBING JAW ASSY (1" PINS)RANGE SIZE QTY JAW JAW QTY PART NO. X COMPONENTS

ASSY ASSY REF DESCRIPTIONPART NO. XREF NO.

3 1/2" TO 4 1/2" 1 58526 ------ JAW (2 7/8"- 5")

UNIVERSAL 5 58530-100 ------------------ 1 58593 ------ INSERT (3 1/2"-4 1/2")JAWSYSTEM 1 58522 ------ BOLT, INSERT RTR

1 992116-05 ------ NUT4" TO 5" 1 58526 ------ JAW (2 7/8"- 5")

UNIVERSAL 5 58535-100 ------------------ 1 58594 ------ INSERT (4"-5")JAWSYSTEM 1 58522 ------ BOLT, INSERT RTR

1 992116-05 ------ NUT5" TO 6 1/16" 5 58335 58-314 SOLIDJAW

3 1/2" TO 6 1/16" CARRIER PACKAGE ASSY (1" PINS)ASSY PART NO. QTY PART NO. COMPONENTS DESCRIPTION

1 58-160-2 DRAG RING ASSY, 31/2"- 6 1116 (1" PINS, 6 1/4" BORE)QTY (1) 93-11-100 1 93-161-3 JAW RETAINER RING, 3 1/2"- 6 1/16" (6 1/4" BORE)

1 93-5-11-200 GUIDE BELL, 3 1/2"- 6 1/16" (6 1/4" BORE)

4" TO 5 1/2"CASING JAW & CARRIER SYSTEM ASSEMBLIES

FOR CLOSED HEAD TUBING TONGCH58-93R PARTS LIST

4" TO 5 1/2" TUBING JAW ASSY (3/4" PINS)RANGE SIZE QTY JAWASSY JAWASSY QTY PART NO X COMPONENTS

PART NO. X REF NO. REF DESCRIPTION4" TO 41/2" 1 58541 ------- JAW (4"- 5 1/2")

CASING 5 58540-100 ------------------ 1 58595 ------- INSERT (4"-5 1/2")UNIVERSAL 1 58523 ------- BOLT, INSERT RTR

JAWSYSTEM 1 992116-03 ------- NUT ¡

5" TO 5 1/2" 1 58541 ------- JAW (4"- 5 1/2")CASING 5 58545-100 ------------------ 1 58596 ------ INSERT (5"-5 1/2") ¡

UNIVERSAL 1 58523 ------- BOLT, INSERT RTRJAWSYSTEM 1 992116-03 ------- NUT

4" TO 5 1/2" CASING CARRIER PACKAGE ASSY (3/4" PINS)ASSY PART NO. QTY PART NO. COMPONENTS DESCRIPTION

1 58-160-1 DRAG RING ASSY, 4"- 5 1/2" (3/4" PINS, 7 1/4" BORE)QTY (1) 93-12-100 1 93-161-1 JAW RETAINER RING, 4"-5 1/2" (7 1/4" BORE)

1 93-5-12-200 GUIDE BELL, 4"-5 1/2" (7 1/4" BORE)

Page 24: Llave de Caño Oil Country Modelo 58-93R

SHOWN wrrn TOP COVER (ITEM 8) &ADAPTER PLATE (ITEM 9) REMOVED

33

34 ,PARTS REQillREDFOR ITEM 15

31

427

30

, \ '), >

/ / /

24

28

9 8

9

16

lAWS REMOVED FOR CLAIRITY 3II

16

2

6l1TLE

•AIRBACKUP58-93R VENTUR-4., CA

SlZEA I lBSHEETlOF 1

~~l KEH 0'-13-98A 1 KEH 02-18-98 I '_'n<. V~""'b'''.

ILL-160¡,¡;-... .. .... 147-5893-100

Page 25: Llave de Caño Oil Country Modelo 58-93R

BACK UP TONG (ILL-160)ASSEMBLYPART NO.

147 -5893-100147 -5893-101147-5893-201

STO. JAW RANGEINSTALLEO WITH OIES

2-3/8" - 3-3/4"2-3/8" - 3-3/4"2-3/8" - 3-3/4"

OESCRIPTION

MANUAL BACK-UP TONGPNEUMATIC BACK-UP TONG LESS GUAROPNEUMATIC BACK-UP TONG WITH PUSH PULLVALVE ASSEMBLy

ITEM

1234567899

10101112131516

P/N

992007-1258164-10058186-200

99210558168-200

5817958004-300

581825818458185

992051-06992003-05992089-13992082-94992023-0358365-100992073-01

X REF P/N

11-1575147-6147-20

147-1-1

147-5-80147-2-10

147-19

11-19611-60311-145

11-878147-7-100

11-878

QTY

25111

1011

11

101025252

OESCRIPTION

HEX HEADCAPSCREWJAW PIN ASSEMBLySWIVEL BLOCK ASSEMBLY Ref 1,13,16HANDLE SPRINGINNER RING GEARHEADED L1NERBACK-UP HOUSINGTOP COVER1-5/16" - 4-1/2" ADAPTOR PLATE4-1/2" - 6-1/16" ADAPTOR PLATELOCKWASHERHEX HEAD CAPSCREWNYLON INSERT LOCK NUTDOWEL PINSCREW, SOCKET HEAD CAP2-3/8" - 3-3/4" BACK-UP JAW ASSYGREASE FITTING

58450-100 PNEUMATIC ASSEMBLy REF 19-22ITEM P/N X REF P/N QTY OESCRIPTION

18 58004-71 ----------- 1 BRACKET, WELD ON FOR AIR CYLlNDER19 58455-100 ----------- 1 AIR CYLlNDER ASSY20 992141-S-6-4 ----------- 2 ADPTR, FL 90° .37 NPT X # 6 JIC21 992005-09 ----------- 2 1/2" X 2 1/2" LONG BOL T22 992089-09 ----------- 2 1/2" NYLOCK NUT

58148-300 PUSH PULL VALVE SUBASSEMBLY 24-30ITEM P/N X REF P/N QTY OESCRIPTION

24 992277-20 ----------- 1 PNEUMATIC HAND VALVE PUSH/PULL25 55148-306 ----------- 2 PNEUMATIC 1/4" HOSE ASSEMBLY 60" LONG27 992259-5-04-04 ----------- 2 ADPTR, 45°, 1/4" NPT X JIC28 55180-100 ----------- 1 HOSE, SUPPLE 180"29 992142-5-04-04 ----------- 1 ADPTR, 90°, 1/4" JIC X 1/4" NPT30 992385-04 ----------- 1 BREATHER FILTER VENT

NOTE: (#1) SEE ILLUSTRATION ILL-160TITLE OIL COUNTRY

BACK UPJAWS MANUFACTURING INe.VENTURA, CA.

FOR 147-5893BACK UP TONG SIZE

1SHT 1 OF 21REV

RANGE 1 5/16-6 1/16 ADRAWING NO ILLUSTRATION NO.

REV REVCODE DATE ILL-160-1REVISION

Page 26: Llave de Caño Oil Country Modelo 58-93R

ITEM P/N

3A 58360-100

31 5836032 5839033 5842134 992116-05

BACK UP JAWS (ILL-160)CONTINUED

X REF P/N I QTY I DESCRIPTION

1 5/16"-2 1/16" JAW

50-49-5-10Q I': 5 1 5/16-2 1/16" JAW ASSY FOR 1" PIN REF.' 31,32,33,34

50-149-5 .1' 1 1 5/16-2 1/16" JAW50-48-5 . .2 DIE INSERT50-49-2. 1 SCREW

-------------- 1 NUT

2 3/8"-3 3/4" JAW318 58365-100 147-7-100 5 2 3/8-3 3/4" JAW ASSY FOR 1" PIN REF

31,32,33,3431 58365 147-7 1 2 3/8-3 3/4" JAW32 58392 50-48-1 .2 DIE INSERT33 58421 50-49-2

'.

2 SCREW34 992116-05 -------------- 2 NUT

3 '1/16"-4 112" JAW31C 58370-100 147-14-100 5 3 1/16-4 1/2" JAW ASSY FOR 1" PIN REF

31,32,33,3431 58370 147-14 1 3 1/16-41/2" JAW32 58392 50-48-1 I .2 DIE INSERT33 58421 50-49-2

l~SCREW

34 992116-05 ------------ NUT

41/2"-5 9/16"SOLID JAW31D 58375 147-10 I 5 141/2-59/16 SOLIO JAW FOR 1" PIN

5-6 1/16 SOLIO JAW31E 58380 147-8 1 5 15-6 1/16" SOLIO JAW ASSY FOR 1" PIN

TITLE: 147-5893R-XXX OIL COUNTRY

8ACK UP TONGMANUFACTURING INe.

VENTURA, CA.ASSY FOR MODEL

CH58-93RSIZE I IREV

RANGE 1 5/16-6 1/16 A SHT 2 OF 2

DRAWING NO, ILLUSTRATION NO,REV REVCODE DATE

ILL-160-1REVISION

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HYDRAULIC LIFT (ILL-155)CONTINUED

ITEM P/N X REF P/N QTY DESCRIPTION

24 123-3-1 --------------- 1 OPERATING ROD

25 992331-3A-06 11-148 1 SHAKLE PIN 1/2"

26 123-2-1 ---------------- 1 WORKING BARREL

27 123-7 123-17 1 HYDRAULlC L1NE COVER

28 126-7 -------------- 1 CUSHION SPRING

29 123-13-7 --------------- 1 BOTTOM END

30 992037-06 11-1293 4 CAP SCREW 5/8 x 2-1/4" HEX

31 992089-13 11-145 4 NUT 5/8" NC

32 992164-17 11-803 6 NUT 3/4" SEMI- FINISH NC

33 74-73 --------------- 8 SPRING GUIDE

34 58-71 ---------------- 4 COMPRESSION SPRING

35 58-91-1 --------------- 2 COMPRESSION SPRING BOLT

36 123-14 ---------------- 1 HYDRAULlC PIPE 3/8 x 39" LONG

37 992124-06 11-317 1 ELL 3/8" HP STREET

38 992495-M-06 11-947 1 COUPLlNG HALF (MALE END)

39 992606-C-05 11-849 1 DUST CAP 1/2"

TITLE:123-5893R-100 OIL COUNTRY

HYDRAULIC LIFTMANUFACTURING INC.

VENTURA, CA.ASSEMBLY

FOR POWER TONG SIZEI IREV

TYPE 58-93R A SHT 2 OF 2

DRAWING NO. ILLUSTRATION NOREV REV CODE DATE ILL-155-1REVISION

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INSTALLATION AND OPERATION INSTRUCTIONS 1. Installing Hydraulic Lift

A. Move the tong to a convenient position near the wall

B. Place the hydraulic lift assembly on the tong and secure with the attach pins provided (refer to ILL-356). Connect the hydraulic lines from the control valve to cylinder.

C. Lift the unit with the line above the well head. The line supporting the tong should be positioned so that the tong is located above the well head. At this time the hydraulic lift is ready to be used by activating the controls. The lift should have approximately 6 feet of total movement.

D. Connect the adjustable toque arm to the rear of the tong and to the anchor bracket of the rig. Anchor bracket on rig should be approximately 4 ft. above ground. Adjust the torque arm so that the tong is at a right angle to the torque arm (refer to ILL-354 and ILL -355).

E. Connect main hydraulic lines to the tong and inspect to be sure that no leakage of the hydraulic system is visible and that all connections are tight.

F. Level the tong before using. To do this, use the leveling screws and the compression spring nuts (refer to ILL-356). This is important to the longevity of the tong and the tong jaws.

2. Jaw Arrangement

A. To set up the jaws for making up joints, set the jaws with the letter “M” up with the long side of the jaws against the gear (refer to ILL-352).

B. To set up the jaws for breaking out of the joint, set the jaws with the letter “B” up with the long side of the jaws against the gear (refer to ILL-352)>

C. Inspection of the insert should be done when turning the jaws over or when jaws start to slip. Replace the inserts for better gripping as needed.

Page 32: Llave de Caño Oil Country Modelo 58-93R

3. Setting the Hydraulics for Proper Operation

A. Check all hose connections before engaging the hydraulic power source to be sure they are tight.

B. Engage the hydraulic power source.

C. To set the relief valve, the tong needs to be running in the makeup direction.

D. With the tong running, turn the relief valve adjusting screw counter clockwise until the ting reduces speed.

E. Verify manufacturers recommended torque requirements for the joints that are to be made up.

F. Place tong on tubing and increase the relief valve pressure until recommended torque is reached.

G. Lock the pressure relief valve adjustment screw using the jam nut.

H. Make up another joint and verify the torque reading when the tong stalls out. Make minor adjustments if necessary to achieve proper settings.

I. If tong grips and slips, increase pressure on drag screws in drag ring. Adjust screws evenly (refer to ILL-352).

Note: It is not necessary to change makeup torque to break out. Tong operates at system pressure for break out. A relief valve set at 2200 psi in the power unit tank controls system pressure. PSI should never exceed 2500 psi. Damage to the unit may occur.

J. If pump fails to pick up oil after hoses have been connected or if tong runs in surges, screw out relief valve all the way and let pressure back to tank. Circulate to remove air screw in pressure screw until tong operates. Repeat if necessary.

K. When operating tong, to reduce fluid shock in motor, stop the control operating lever in the center position for one full second before reversing motor.

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4. Steps to dismantle

A. Raise the tong to the top of the hydraulic lift travel.

B. Use a line to lower the tong and hydraulic to the ground.

C. Shut off hydraulic power source to the tong. Engage the control lever for the lift to release the pressure in the hoses.

D. Disconnect the hoses from the tong and prepare the tong for transporting.

E. If the hydraulic lift is to be removed, refer to ILL-356 and be sure that the lift cylinder is protected from the elements.

Note: If the unit will be in storage be sure to grease and oil for protection and cover with a protective cover.

Page 34: Llave de Caño Oil Country Modelo 58-93R

1. Lubrication and Maintenance LUBRICATION REQUIREMENTS

TRANSMISSION: Oil meeting API classification MS:

Temperature above 32º …………………………SAE 20W

Temperature above 32º …………………………SAE 10W

Transmission Capacity…………………………… SAE 20W

Grease Fittings ………………………………………Any soft gun lubricant

2. Operational Maintenance

A. Grease Lube fittings weekly (refer to ILL-353)

B. Check the transmission after every trip. If water or dirt is found in transmission, change oil. Under normal conditions, oil should be changed every 100 work-hours.

C. Clean and grease tong head and backup tool after every trip. Use kerosene or solvent and a wire brush for cleaning, After cleaning, apply cup grease to jaws, pins, ring gear and top seal.

D. Do not steam clean tong head. Steam cleaning tong head will force water by the top seal into the transmission, removing all of the lubricants from top seal and causing it to harden. If steam cleaning is used, guide bell should be bolted in place. After cleaning, check transmission for the presence of water.

3. Safety points and warnings Caution: Keep hands clear of tong head while tongs are in operation. Caution should be taken while operating this equipment, as parts inside the tong head rotate.

A. Do not crawl or stand under tongs as hydraulic line could be cut or broken, and tongs will fall.

B. Do not operate power tongs until the anchor arm is attached to the tong and anchor post.

C. Power should be OFF before any size equipment change, maintenance or any work is done to this equipment.

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