YT29A Pusher Leg rock drill

YT29A air leg rock drill jack hammer/ bosch breaker hammer power tools :
1:Good quality with strict quality system control, ISO9001,MA,CE
2:Reasonable price with self manufacturing and self-management export
3:Work with FT160A/FT160C air leg
4:Safe for coal mining,tunnel and quarry use

Product details

YT29A rock drill as equipemnt rack is the most rugged, powerful and highly efficient rock drill in the range. It provides improved productivity and drill steel economy and can be used on all rock formations and in various applications.

Equipment

YT29A pusher legs and stoper rock drills cover all construction, tunnelling and mining applications in different rock formations. They are robust designed, with high impact energy and low air consumption. All of the rock drills have water flushing, rifle bar rotation and the pusher leg control is placed at the back head of the rock drill. An in-line lubricator is included in the delivery of each rock drill. Together with the appropriate pusher leg, the rock drill forms an attractive and cost effective drilling unit.

YT29A Pusher Leg Rock Drill Technical Spec

Weight	27kg
Overall dimensions (LWH)	659x248x205mm
Cylinder diameter	82mm
Piston structure stroke	60mm
Working air pressure	0.40-0.63MPa
Impact energy	≥78(0.63MPa)J
	≥69(0.5MPa)J
	≥50(0.4MPa)J
Drilling gas consumption	≤88(0.63MPa)L/s
	≤65(0.5MPa)L/s
	≤52(0.4MPa)L/s
Drilling impact frequency	≥39 (0.63MPa)Hz
	≥37(0.5MPa)Hz
	≥36(0.4MPa)Hz
Torque	≥20(0.63MPa)N·m
	≥17(0.5MPa)N·m
	≥15(0.4MPa)N·m
Water pressure	0.3MPa
Inner diameter of trachea	25mm
Water pipe inner diameter	13mm
The suitable drilling hole diameter is	34-45mm
Suitable maximum drilling depth	5m
Working temperature	-30-45℃
Drill tail specification	H22x108±1mm

YT29A jack hammer repair kit

FT160A air leg Technical Spec

Air leg length	1668mm
Propulsion stroke	1338mm
Cylinder inner diameter	65mm
Weight	17kg

YT29A air leg rock drill spare parts list

№	PARTS	Item	51	3312310700	Bolt
1	3312310170	Pin	52	3312311876	Rotation sleeve
2	3312310020	Air pipe nut	53	3312310206	Rod bushing d-25
3	3312310175	Wing nut	54	3312310339	Pad
4	3312310022	Air pipe swivel	55	3312310680	O-ring
5	3312310169	Spring	56	3312310013	Steel retainer springs
6	3312310633	O-ring	57	3312310056	Rifle nut
7	3312300400	Pneumatic support FT-160B	58	3312310039	Dowel pin
8	3312300314	Pusher leg rock drill YT-29A	59	3312310052	Valve chest
9	3312300609	Pneumatic support FT-160A	60	3312310053	Valve
10	3312310176	Conical pipe connector	61	3312311860	Valve sleeve
11	3312310177	Pipe connector	62	3312311861	Rifle bar
12	3312310143	Water pipe connector	63	3312310059	Guide Coupling Kit
13	3312310627	O-ring	64	3312311862	Cylinder
14	3312310144	Water pipe nut	65	3312310697	Hex. Thin nut
15	3312310157	Bushing rod	66	3312311864	Side bolt
16	3312310667	O-ring	67	3312311863	Piston
17	3312310164	Pad	68	3312311866	Water tube
18	3312310172	Retaining ring	69	3312311875	Front head
19	3312310727	Large seal sleeve	70	3312311865	Air tube
20	3312310152	Right handle	71	3312310713	Nonmetal hex. Locking nut
21	3312310146	Spring	72	3312312367	YT-29A perforator oiler
22	3312310167	Fixing nut	73	3312311820	Steel retainer bolt
23	3312310099	Expansion	74	3312311821	Locking mechanism of the working tool
24	3312310154	Left handle	75	3312310716	Standard spring pad
25	3312310155	Ratchet pawl	76	3312310341	Retaining sleeve
26	3312310726	Seal sleeve	77	3312311050	Gas deflector
27	3312310149	Retaining ring	78	3312310338	Lock nut
28	3312310145	Water pipe connector retaining ring	79	3312310340	Rubber pad
29	3312311868	Control valve	80	3312310677	O-ring
30	3312310141	Control handle	81	3312310681	O-ring
31	3312310704	Hex. Thin nut	82	3312310353	Air tube rubber pad
32	3312310161	Water valve body	83	3312310342	Frame
33	3312310150	Change valve	84	3312310350	Guide sleeve
34	3312310174	Pad	85	3312310343	Pillow frame
35	3312310101	Pressure regulating valve	86	3312310675	O-ring
36	3312310153	Shockproof handle	87	3312310356	Retaining ring
37	3312310163	Water valve	88	3312310358	Outer pipe
38	3312310160	Spring	89	3312310351	Central bolt
39	3312310159	Spring cover	90	3312310352	Step
40	3312310165	Rubber pad	91	3312311016	Hex Nut
41	3312310050	Back head	92	3312310347	Double Yx O-Ring
42	3312310642	O-ring	93	3312310386	Air tube
43	3312310151	Trigger	94	3312310344	Rubber ring
44	3312310708	Elastic pin	95	3312310346	Yx - sealing ring
45	3312310173	Steel retaining ring	96	3312310348	Outer pipe
46	3312310135	Rotation nut	97	3312310357	Lower suction tube
47	3312310171	Seal	98	3312310355	Handle
48	3312310035	Water tube bush	99	3312310718	Spring
49	3312310166	Air tube pad	100	3312310345	Supporting ring
50	3312310051	Ratchet	101	3312310387	Dust cap

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YT29A Pusher Leg rock drill